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Finding the Fourth Proportional to 40,708.38, 61,044.81 and 14,404.38

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Solution

The fourth proportional to 40,708.38, 61,044.81 and 14,404.38 is: 21,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.38 : 61,044.81 = 14,404.38 : x
  2. Step 2: Convert to fraction form
    40,708.38/61,044.81 = 14,404.38/x
  3. Step 3: Cross multiply
    40,708.38x = 61,044.81 × 14,404.38
  4. Step 4: Simplify right side
    40,708.38x = 879,312,640.27
  5. Step 5: Solve for x
    x = 879,312,640.27/40,708.38
  6. Step 6: Final answer
    x = 21,600.29

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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.