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Finding the Fourth Proportional to 7,957.88, 10,981.98 and 4,373.02

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Solution

The fourth proportional to 7,957.88, 10,981.98 and 4,373.02 is: 6,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.88 : 10,981.98 = 4,373.02 : x
  2. Step 2: Convert to fraction form
    7,957.88/10,981.98 = 4,373.02/x
  3. Step 3: Cross multiply
    7,957.88x = 10,981.98 × 4,373.02
  4. Step 4: Simplify right side
    7,957.88x = 48,024,431.91
  5. Step 5: Solve for x
    x = 48,024,431.91/7,957.88
  6. Step 6: Final answer
    x = 6,034.83

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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.