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Finding the Fourth Proportional to 70,182.97, 96,854.89 and 38,353.92

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Solution

The fourth proportional to 70,182.97, 96,854.89 and 38,353.92 is: 52,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,182.97 : 96,854.89 = 38,353.92 : x
  2. Step 2: Convert to fraction form
    70,182.97/96,854.89 = 38,353.92/x
  3. Step 3: Cross multiply
    70,182.97x = 96,854.89 × 38,353.92
  4. Step 4: Simplify right side
    70,182.97x = 3,714,764,702.67
  5. Step 5: Solve for x
    x = 3,714,764,702.67/70,182.97
  6. Step 6: Final answer
    x = 52,929.72

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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.