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Finding the Fourth Proportional to 70,092.50, 96,727.59 and 38,261.39

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Solution

The fourth proportional to 70,092.50, 96,727.59 and 38,261.39 is: 52,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,092.50 : 96,727.59 = 38,261.39 : x
  2. Step 2: Convert to fraction form
    70,092.50/96,727.59 = 38,261.39/x
  3. Step 3: Cross multiply
    70,092.50x = 96,727.59 × 38,261.39
  4. Step 4: Simplify right side
    70,092.50x = 3,700,931,561.11
  5. Step 5: Solve for x
    x = 3,700,931,561.11/70,092.50
  6. Step 6: Final answer
    x = 52,800.68

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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.