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Finding the Fourth Proportional to 33,147.60, 49,737.60 and 15,614.40

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Solution

The fourth proportional to 33,147.60, 49,737.60 and 15,614.40 is: 23,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.60 : 49,737.60 = 15,614.40 : x
  2. Step 2: Convert to fraction form
    33,147.60/49,737.60 = 15,614.40/x
  3. Step 3: Cross multiply
    33,147.60x = 49,737.60 × 15,614.40
  4. Step 4: Simplify right side
    33,147.60x = 776,622,781.44
  5. Step 5: Solve for x
    x = 776,622,781.44/33,147.60
  6. Step 6: Final answer
    x = 23,429.23

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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.