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Finding the Fourth Proportional to 67,472.39, 101,079.80 and 37,800.47

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Solution

The fourth proportional to 67,472.39, 101,079.80 and 37,800.47 is: 56,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,472.39 : 101,079.80 = 37,800.47 : x
  2. Step 2: Convert to fraction form
    67,472.39/101,079.80 = 37,800.47/x
  3. Step 3: Cross multiply
    67,472.39x = 101,079.80 × 37,800.47
  4. Step 4: Simplify right side
    67,472.39x = 3,820,864,152.95
  5. Step 5: Solve for x
    x = 3,820,864,152.95/67,472.39
  6. Step 6: Final answer
    x = 56,628.56

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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.