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Finding the Fourth Proportional to 57,332.79, 85,933.17 and 22,242.78

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Solution

The fourth proportional to 57,332.79, 85,933.17 and 22,242.78 is: 33,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332.79 : 85,933.17 = 22,242.78 : x
  2. Step 2: Convert to fraction form
    57,332.79/85,933.17 = 22,242.78/x
  3. Step 3: Cross multiply
    57,332.79x = 85,933.17 × 22,242.78
  4. Step 4: Simplify right side
    57,332.79x = 1,911,392,595.01
  5. Step 5: Solve for x
    x = 1,911,392,595.01/57,332.79
  6. Step 6: Final answer
    x = 33,338.56

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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.