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Finding the Fourth Proportional to 22,644.57, 33,978.11 and 15,153.06

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Solution

The fourth proportional to 22,644.57, 33,978.11 and 15,153.06 is: 22,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.57 : 33,978.11 = 15,153.06 : x
  2. Step 2: Convert to fraction form
    22,644.57/33,978.11 = 15,153.06/x
  3. Step 3: Cross multiply
    22,644.57x = 33,978.11 × 15,153.06
  4. Step 4: Simplify right side
    22,644.57x = 514,872,263.75
  5. Step 5: Solve for x
    x = 514,872,263.75/22,644.57
  6. Step 6: Final answer
    x = 22,737.12

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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.