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Finding the Fourth Proportional to 47,387.36, 65,318.88 and 32,274.88

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Solution

The fourth proportional to 47,387.36, 65,318.88 and 32,274.88 is: 44,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.36 : 65,318.88 = 32,274.88 : x
  2. Step 2: Convert to fraction form
    47,387.36/65,318.88 = 32,274.88/x
  3. Step 3: Cross multiply
    47,387.36x = 65,318.88 × 32,274.88
  4. Step 4: Simplify right side
    47,387.36x = 2,108,159,013.73
  5. Step 5: Solve for x
    x = 2,108,159,013.73/47,387.36
  6. Step 6: Final answer
    x = 44,487.79

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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.