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Finding the Fourth Proportional to 5,981.52, 8,972.80 and 1,599

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Solution

The fourth proportional to 5,981.52, 8,972.80 and 1,599 is: 2,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.52 : 8,972.80 = 1,599 : x
  2. Step 2: Convert to fraction form
    5,981.52/8,972.80 = 1,599/x
  3. Step 3: Cross multiply
    5,981.52x = 8,972.80 × 1,599
  4. Step 4: Simplify right side
    5,981.52x = 14,347,507.20
  5. Step 5: Solve for x
    x = 14,347,507.20/5,981.52
  6. Step 6: Final answer
    x = 2,398.64

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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.