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Finding the Fourth Proportional to 57,889.60, 79,902.24 and 32,747.20

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Solution

The fourth proportional to 57,889.60, 79,902.24 and 32,747.20 is: 45,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,889.60 : 79,902.24 = 32,747.20 : x
  2. Step 2: Convert to fraction form
    57,889.60/79,902.24 = 32,747.20/x
  3. Step 3: Cross multiply
    57,889.60x = 79,902.24 × 32,747.20
  4. Step 4: Simplify right side
    57,889.60x = 2,616,574,633.73
  5. Step 5: Solve for x
    x = 2,616,574,633.73/57,889.60
  6. Step 6: Final answer
    x = 45,199.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.