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Finding the Fourth Proportional to 62,704.47, 94,001.32 and 47,979.12

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Solution

The fourth proportional to 62,704.47, 94,001.32 and 47,979.12 is: 71,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,704.47 : 94,001.32 = 47,979.12 : x
  2. Step 2: Convert to fraction form
    62,704.47/94,001.32 = 47,979.12/x
  3. Step 3: Cross multiply
    62,704.47x = 94,001.32 × 47,979.12
  4. Step 4: Simplify right side
    62,704.47x = 4,510,100,612.44
  5. Step 5: Solve for x
    x = 4,510,100,612.44/62,704.47
  6. Step 6: Final answer
    x = 71,926.30

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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.