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Finding the Fourth Proportional to 38,110.60, 57,165.90 and 32,861.80

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Solution

The fourth proportional to 38,110.60, 57,165.90 and 32,861.80 is: 49,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.60 : 57,165.90 = 32,861.80 : x
  2. Step 2: Convert to fraction form
    38,110.60/57,165.90 = 32,861.80/x
  3. Step 3: Cross multiply
    38,110.60x = 57,165.90 × 32,861.80
  4. Step 4: Simplify right side
    38,110.60x = 1,878,574,372.62
  5. Step 5: Solve for x
    x = 1,878,574,372.62/38,110.60
  6. Step 6: Final answer
    x = 49,292.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.