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Finding the Fourth Proportional to 58,490.96, 80,718.08 and 33,342.08

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Solution

The fourth proportional to 58,490.96, 80,718.08 and 33,342.08 is: 46,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.96 : 80,718.08 = 33,342.08 : x
  2. Step 2: Convert to fraction form
    58,490.96/80,718.08 = 33,342.08/x
  3. Step 3: Cross multiply
    58,490.96x = 80,718.08 × 33,342.08
  4. Step 4: Simplify right side
    58,490.96x = 2,691,308,680.81
  5. Step 5: Solve for x
    x = 2,691,308,680.81/58,490.96
  6. Step 6: Final answer
    x = 46,012.39

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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.