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Finding the Fourth Proportional to 48,573.68, 72,747.12 and 37,391.64

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Solution

The fourth proportional to 48,573.68, 72,747.12 and 37,391.64 is: 56,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.68 : 72,747.12 = 37,391.64 : x
  2. Step 2: Convert to fraction form
    48,573.68/72,747.12 = 37,391.64/x
  3. Step 3: Cross multiply
    48,573.68x = 72,747.12 × 37,391.64
  4. Step 4: Simplify right side
    48,573.68x = 2,720,134,122.08
  5. Step 5: Solve for x
    x = 2,720,134,122.08/48,573.68
  6. Step 6: Final answer
    x = 56,000.17

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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.