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Finding the Fourth Proportional to 22,966.56, 34,449.84 and 12,572.64

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Solution

The fourth proportional to 22,966.56, 34,449.84 and 12,572.64 is: 18,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966.56 : 34,449.84 = 12,572.64 : x
  2. Step 2: Convert to fraction form
    22,966.56/34,449.84 = 12,572.64/x
  3. Step 3: Cross multiply
    22,966.56x = 34,449.84 × 12,572.64
  4. Step 4: Simplify right side
    22,966.56x = 433,125,436.38
  5. Step 5: Solve for x
    x = 433,125,436.38/22,966.56
  6. Step 6: Final answer
    x = 18,858.96

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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.