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Finding the Fourth Proportional to 6,658.74, 9,972.52 and 5,262.70

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Solution

The fourth proportional to 6,658.74, 9,972.52 and 5,262.70 is: 7,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.74 : 9,972.52 = 5,262.70 : x
  2. Step 2: Convert to fraction form
    6,658.74/9,972.52 = 5,262.70/x
  3. Step 3: Cross multiply
    6,658.74x = 9,972.52 × 5,262.70
  4. Step 4: Simplify right side
    6,658.74x = 52,482,381.00
  5. Step 5: Solve for x
    x = 52,482,381.00/6,658.74
  6. Step 6: Final answer
    x = 7,881.73

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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.