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Finding the Fourth Proportional to 24,555.97, 36,836.72 and 7,912.21

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Solution

The fourth proportional to 24,555.97, 36,836.72 and 7,912.21 is: 11,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,555.97 : 36,836.72 = 7,912.21 : x
  2. Step 2: Convert to fraction form
    24,555.97/36,836.72 = 7,912.21/x
  3. Step 3: Cross multiply
    24,555.97x = 36,836.72 × 7,912.21
  4. Step 4: Simplify right side
    24,555.97x = 291,459,824.79
  5. Step 5: Solve for x
    x = 291,459,824.79/24,555.97
  6. Step 6: Final answer
    x = 11,869.20

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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.