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Finding the Fourth Proportional to 59,543.75, 82,170.05 and 32,686.71

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Solution

The fourth proportional to 59,543.75, 82,170.05 and 32,686.71 is: 45,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,543.75 : 82,170.05 = 32,686.71 : x
  2. Step 2: Convert to fraction form
    59,543.75/82,170.05 = 32,686.71/x
  3. Step 3: Cross multiply
    59,543.75x = 82,170.05 × 32,686.71
  4. Step 4: Simplify right side
    59,543.75x = 2,685,868,431.60
  5. Step 5: Solve for x
    x = 2,685,868,431.60/59,543.75
  6. Step 6: Final answer
    x = 45,107.48

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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.