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Finding the Fourth Proportional to 71,958.98, 107,937.56 and 32,488.49

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Solution

The fourth proportional to 71,958.98, 107,937.56 and 32,488.49 is: 48,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,958.98 : 107,937.56 = 32,488.49 : x
  2. Step 2: Convert to fraction form
    71,958.98/107,937.56 = 32,488.49/x
  3. Step 3: Cross multiply
    71,958.98x = 107,937.56 × 32,488.49
  4. Step 4: Simplify right side
    71,958.98x = 3,506,728,689.75
  5. Step 5: Solve for x
    x = 3,506,728,689.75/71,958.98
  6. Step 6: Final answer
    x = 48,732.33

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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.