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Finding the Fourth Proportional to 62,976.20, 94,476.76 and 17,997.98

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Solution

The fourth proportional to 62,976.20, 94,476.76 and 17,997.98 is: 27,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,976.20 : 94,476.76 = 17,997.98 : x
  2. Step 2: Convert to fraction form
    62,976.20/94,476.76 = 17,997.98/x
  3. Step 3: Cross multiply
    62,976.20x = 94,476.76 × 17,997.98
  4. Step 4: Simplify right side
    62,976.20x = 1,700,390,319.57
  5. Step 5: Solve for x
    x = 1,700,390,319.57/62,976.20
  6. Step 6: Final answer
    x = 27,000.52

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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.