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Finding the Fourth Proportional to 57,949.20, 86,902.20 and 22,881.60

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Solution

The fourth proportional to 57,949.20, 86,902.20 and 22,881.60 is: 34,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,949.20 : 86,902.20 = 22,881.60 : x
  2. Step 2: Convert to fraction form
    57,949.20/86,902.20 = 22,881.60/x
  3. Step 3: Cross multiply
    57,949.20x = 86,902.20 × 22,881.60
  4. Step 4: Simplify right side
    57,949.20x = 1,988,461,379.52
  5. Step 5: Solve for x
    x = 1,988,461,379.52/57,949.20
  6. Step 6: Final answer
    x = 34,313.87

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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.