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Finding the Fourth Proportional to 59,149.52, 81,640.04 and 39,010.04

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Solution

The fourth proportional to 59,149.52, 81,640.04 and 39,010.04 is: 53,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,149.52 : 81,640.04 = 39,010.04 : x
  2. Step 2: Convert to fraction form
    59,149.52/81,640.04 = 39,010.04/x
  3. Step 3: Cross multiply
    59,149.52x = 81,640.04 × 39,010.04
  4. Step 4: Simplify right side
    59,149.52x = 3,184,781,226.00
  5. Step 5: Solve for x
    x = 3,184,781,226.00/59,149.52
  6. Step 6: Final answer
    x = 53,842.89

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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.