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Finding the Fourth Proportional to 16,658.17, 22,986.05 and 10,697.91

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Solution

The fourth proportional to 16,658.17, 22,986.05 and 10,697.91 is: 14,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.17 : 22,986.05 = 10,697.91 : x
  2. Step 2: Convert to fraction form
    16,658.17/22,986.05 = 10,697.91/x
  3. Step 3: Cross multiply
    16,658.17x = 22,986.05 × 10,697.91
  4. Step 4: Simplify right side
    16,658.17x = 245,902,694.16
  5. Step 5: Solve for x
    x = 245,902,694.16/16,658.17
  6. Step 6: Final answer
    x = 14,761.69

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1.5x scale

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.