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Finding the Fourth Proportional to 57,521.40, 79,379.40 and 32,370.96

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Solution

The fourth proportional to 57,521.40, 79,379.40 and 32,370.96 is: 44,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.40 : 79,379.40 = 32,370.96 : x
  2. Step 2: Convert to fraction form
    57,521.40/79,379.40 = 32,370.96/x
  3. Step 3: Cross multiply
    57,521.40x = 79,379.40 × 32,370.96
  4. Step 4: Simplify right side
    57,521.40x = 2,569,587,382.22
  5. Step 5: Solve for x
    x = 2,569,587,382.22/57,521.40
  6. Step 6: Final answer
    x = 44,671.85

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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.