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Finding the Fourth Proportional to 57,339.68, 86,044.14 and 40,836.94

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Solution

The fourth proportional to 57,339.68, 86,044.14 and 40,836.94 is: 61,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.68 : 86,044.14 = 40,836.94 : x
  2. Step 2: Convert to fraction form
    57,339.68/86,044.14 = 40,836.94/x
  3. Step 3: Cross multiply
    57,339.68x = 86,044.14 × 40,836.94
  4. Step 4: Simplify right side
    57,339.68x = 3,513,778,952.31
  5. Step 5: Solve for x
    x = 3,513,778,952.31/57,339.68
  6. Step 6: Final answer
    x = 61,280.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.