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Finding the Fourth Proportional to 57,641.45, 79,545.02 and 32,147.84

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Solution

The fourth proportional to 57,641.45, 79,545.02 and 32,147.84 is: 44,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,641.45 : 79,545.02 = 32,147.84 : x
  2. Step 2: Convert to fraction form
    57,641.45/79,545.02 = 32,147.84/x
  3. Step 3: Cross multiply
    57,641.45x = 79,545.02 × 32,147.84
  4. Step 4: Simplify right side
    57,641.45x = 2,557,200,017.29
  5. Step 5: Solve for x
    x = 2,557,200,017.29/57,641.45
  6. Step 6: Final answer
    x = 44,363.91

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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.