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Finding the Fourth Proportional to 58,129.92, 80,198.67 and 37,998.42

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Solution

The fourth proportional to 58,129.92, 80,198.67 and 37,998.42 is: 52,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,129.92 : 80,198.67 = 37,998.42 : x
  2. Step 2: Convert to fraction form
    58,129.92/80,198.67 = 37,998.42/x
  3. Step 3: Cross multiply
    58,129.92x = 80,198.67 × 37,998.42
  4. Step 4: Simplify right side
    58,129.92x = 3,047,422,746.10
  5. Step 5: Solve for x
    x = 3,047,422,746.10/58,129.92
  6. Step 6: Final answer
    x = 52,424.34

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Half scale
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Double scale
Find fourth proportional to 58,130.92, 80,200.05 and 37,999.42
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.