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Finding the Fourth Proportional to 15,052.68, 20,772.72 and 9,006.84

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Solution

The fourth proportional to 15,052.68, 20,772.72 and 9,006.84 is: 12,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.68 : 20,772.72 = 9,006.84 : x
  2. Step 2: Convert to fraction form
    15,052.68/20,772.72 = 9,006.84/x
  3. Step 3: Cross multiply
    15,052.68x = 20,772.72 × 9,006.84
  4. Step 4: Simplify right side
    15,052.68x = 187,096,565.40
  5. Step 5: Solve for x
    x = 187,096,565.40/15,052.68
  6. Step 6: Final answer
    x = 12,429.45

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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.