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Finding the Fourth Proportional to 70,084.45, 96,715.01 and 38,253.88

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Solution

The fourth proportional to 70,084.45, 96,715.01 and 38,253.88 is: 52,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,084.45 : 96,715.01 = 38,253.88 : x
  2. Step 2: Convert to fraction form
    70,084.45/96,715.01 = 38,253.88/x
  3. Step 3: Cross multiply
    70,084.45x = 96,715.01 × 38,253.88
  4. Step 4: Simplify right side
    70,084.45x = 3,699,723,711.89
  5. Step 5: Solve for x
    x = 3,699,723,711.89/70,084.45
  6. Step 6: Final answer
    x = 52,789.51

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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.