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Finding the Fourth Proportional to 57,183.60, 85,827.60 and 29,123.04

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Solution

The fourth proportional to 57,183.60, 85,827.60 and 29,123.04 is: 43,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183.60 : 85,827.60 = 29,123.04 : x
  2. Step 2: Convert to fraction form
    57,183.60/85,827.60 = 29,123.04/x
  3. Step 3: Cross multiply
    57,183.60x = 85,827.60 × 29,123.04
  4. Step 4: Simplify right side
    57,183.60x = 2,499,560,627.90
  5. Step 5: Solve for x
    x = 2,499,560,627.90/57,183.60
  6. Step 6: Final answer
    x = 43,711.14

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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.