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Finding the Fourth Proportional to 16,488.79, 22,754.62 and 8,935.13

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Solution

The fourth proportional to 16,488.79, 22,754.62 and 8,935.13 is: 12,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.79 : 22,754.62 = 8,935.13 : x
  2. Step 2: Convert to fraction form
    16,488.79/22,754.62 = 8,935.13/x
  3. Step 3: Cross multiply
    16,488.79x = 22,754.62 × 8,935.13
  4. Step 4: Simplify right side
    16,488.79x = 203,315,487.80
  5. Step 5: Solve for x
    x = 203,315,487.80/16,488.79
  6. Step 6: Final answer
    x = 12,330.53

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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.