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Finding the Fourth Proportional to 57,451.56, 79,290.56 and 32,305.92

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Solution

The fourth proportional to 57,451.56, 79,290.56 and 32,305.92 is: 44,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,451.56 : 79,290.56 = 32,305.92 : x
  2. Step 2: Convert to fraction form
    57,451.56/79,290.56 = 32,305.92/x
  3. Step 3: Cross multiply
    57,451.56x = 79,290.56 × 32,305.92
  4. Step 4: Simplify right side
    57,451.56x = 2,561,554,488.12
  5. Step 5: Solve for x
    x = 2,561,554,488.12/57,451.56
  6. Step 6: Final answer
    x = 44,586.33

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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.