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Finding the Fourth Proportional to 31,937.48, 44,073.07 and 18,508.39

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Solution

The fourth proportional to 31,937.48, 44,073.07 and 18,508.39 is: 25,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.48 : 44,073.07 = 18,508.39 : x
  2. Step 2: Convert to fraction form
    31,937.48/44,073.07 = 18,508.39/x
  3. Step 3: Cross multiply
    31,937.48x = 44,073.07 × 18,508.39
  4. Step 4: Simplify right side
    31,937.48x = 815,721,568.06
  5. Step 5: Solve for x
    x = 815,721,568.06/31,937.48
  6. Step 6: Final answer
    x = 25,541.20

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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.