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Finding the Fourth Proportional to 60,879.90, 84,008.10 and 41,776.08

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Solution

The fourth proportional to 60,879.90, 84,008.10 and 41,776.08 is: 57,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,879.90 : 84,008.10 = 41,776.08 : x
  2. Step 2: Convert to fraction form
    60,879.90/84,008.10 = 41,776.08/x
  3. Step 3: Cross multiply
    60,879.90x = 84,008.10 × 41,776.08
  4. Step 4: Simplify right side
    60,879.90x = 3,509,529,106.25
  5. Step 5: Solve for x
    x = 3,509,529,106.25/60,879.90
  6. Step 6: Final answer
    x = 57,646.76

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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.