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Finding the Fourth Proportional to 22,872.70, 34,330.65 and 14,124.70

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Solution

The fourth proportional to 22,872.70, 34,330.65 and 14,124.70 is: 21,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.70 : 34,330.65 = 14,124.70 : x
  2. Step 2: Convert to fraction form
    22,872.70/34,330.65 = 14,124.70/x
  3. Step 3: Cross multiply
    22,872.70x = 34,330.65 × 14,124.70
  4. Step 4: Simplify right side
    22,872.70x = 484,910,132.06
  5. Step 5: Solve for x
    x = 484,910,132.06/22,872.70
  6. Step 6: Final answer
    x = 21,200.39

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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.