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Finding the Fourth Proportional to 75,641.54, 113,472.71 and 25,708.23

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Solution

The fourth proportional to 75,641.54, 113,472.71 and 25,708.23 is: 38,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.54 : 113,472.71 = 25,708.23 : x
  2. Step 2: Convert to fraction form
    75,641.54/113,472.71 = 25,708.23/x
  3. Step 3: Cross multiply
    75,641.54x = 113,472.71 × 25,708.23
  4. Step 4: Simplify right side
    75,641.54x = 2,917,182,398.86
  5. Step 5: Solve for x
    x = 2,917,182,398.86/75,641.54
  6. Step 6: Final answer
    x = 38,565.88

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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.