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Finding the Fourth Proportional to 70,098.27, 96,737.28 and 38,267.40

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Solution

The fourth proportional to 70,098.27, 96,737.28 and 38,267.40 is: 52,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,098.27 : 96,737.28 = 38,267.40 : x
  2. Step 2: Convert to fraction form
    70,098.27/96,737.28 = 38,267.40/x
  3. Step 3: Cross multiply
    70,098.27x = 96,737.28 × 38,267.40
  4. Step 4: Simplify right side
    70,098.27x = 3,701,884,188.67
  5. Step 5: Solve for x
    x = 3,701,884,188.67/70,098.27
  6. Step 6: Final answer
    x = 52,809.92

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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.