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Finding the Fourth Proportional to 6,658.98, 9,972.91 and 5,262.95

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Solution

The fourth proportional to 6,658.98, 9,972.91 and 5,262.95 is: 7,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.98 : 9,972.91 = 5,262.95 : x
  2. Step 2: Convert to fraction form
    6,658.98/9,972.91 = 5,262.95/x
  3. Step 3: Cross multiply
    6,658.98x = 9,972.91 × 5,262.95
  4. Step 4: Simplify right side
    6,658.98x = 52,486,926.68
  5. Step 5: Solve for x
    x = 52,486,926.68/6,658.98
  6. Step 6: Final answer
    x = 7,882.13

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1.5x scale

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.