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Finding the Fourth Proportional to 57,337.93, 79,123.71 and 31,845.92

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Solution

The fourth proportional to 57,337.93, 79,123.71 and 31,845.92 is: 43,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,337.93 : 79,123.71 = 31,845.92 : x
  2. Step 2: Convert to fraction form
    57,337.93/79,123.71 = 31,845.92/x
  3. Step 3: Cross multiply
    57,337.93x = 79,123.71 × 31,845.92
  4. Step 4: Simplify right side
    57,337.93x = 2,519,767,338.76
  5. Step 5: Solve for x
    x = 2,519,767,338.76/57,337.93
  6. Step 6: Final answer
    x = 43,945.91

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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.