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Finding the Fourth Proportional to 47,732.72, 71,593.59 and 12,675.20

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Solution

The fourth proportional to 47,732.72, 71,593.59 and 12,675.20 is: 19,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,732.72 : 71,593.59 = 12,675.20 : x
  2. Step 2: Convert to fraction form
    47,732.72/71,593.59 = 12,675.20/x
  3. Step 3: Cross multiply
    47,732.72x = 71,593.59 × 12,675.20
  4. Step 4: Simplify right side
    47,732.72x = 907,463,071.97
  5. Step 5: Solve for x
    x = 907,463,071.97/47,732.72
  6. Step 6: Final answer
    x = 19,011.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.