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Finding the Fourth Proportional to 47,654.88, 71,472.60 and 18,062.52

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Solution

The fourth proportional to 47,654.88, 71,472.60 and 18,062.52 is: 27,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,654.88 : 71,472.60 = 18,062.52 : x
  2. Step 2: Convert to fraction form
    47,654.88/71,472.60 = 18,062.52/x
  3. Step 3: Cross multiply
    47,654.88x = 71,472.60 × 18,062.52
  4. Step 4: Simplify right side
    47,654.88x = 1,290,975,266.95
  5. Step 5: Solve for x
    x = 1,290,975,266.95/47,654.88
  6. Step 6: Final answer
    x = 27,090.10

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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.