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Finding the Fourth Proportional to 39,463.68, 54,445.68 and 25,324.32

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Solution

The fourth proportional to 39,463.68, 54,445.68 and 25,324.32 is: 34,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.68 : 54,445.68 = 25,324.32 : x
  2. Step 2: Convert to fraction form
    39,463.68/54,445.68 = 25,324.32/x
  3. Step 3: Cross multiply
    39,463.68x = 54,445.68 × 25,324.32
  4. Step 4: Simplify right side
    39,463.68x = 1,378,799,822.94
  5. Step 5: Solve for x
    x = 1,378,799,822.94/39,463.68
  6. Step 6: Final answer
    x = 34,938.45

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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.