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Finding the Fourth Proportional to 29,469.60, 44,204.40 and 15,424.20

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Solution

The fourth proportional to 29,469.60, 44,204.40 and 15,424.20 is: 23,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.60 : 44,204.40 = 15,424.20 : x
  2. Step 2: Convert to fraction form
    29,469.60/44,204.40 = 15,424.20/x
  3. Step 3: Cross multiply
    29,469.60x = 44,204.40 × 15,424.20
  4. Step 4: Simplify right side
    29,469.60x = 681,817,506.48
  5. Step 5: Solve for x
    x = 681,817,506.48/29,469.60
  6. Step 6: Final answer
    x = 23,136.30

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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.