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Finding the Fourth Proportional to 16,658.79, 22,990.02 and 9,586.29

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Solution

The fourth proportional to 16,658.79, 22,990.02 and 9,586.29 is: 13,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.79 : 22,990.02 = 9,586.29 : x
  2. Step 2: Convert to fraction form
    16,658.79/22,990.02 = 9,586.29/x
  3. Step 3: Cross multiply
    16,658.79x = 22,990.02 × 9,586.29
  4. Step 4: Simplify right side
    16,658.79x = 220,388,998.83
  5. Step 5: Solve for x
    x = 220,388,998.83/16,658.79
  6. Step 6: Final answer
    x = 13,229.59

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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.