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Finding the Fourth Proportional to 57,141.55, 85,767.72 and 27,580.15

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Solution

The fourth proportional to 57,141.55, 85,767.72 and 27,580.15 is: 41,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.55 : 85,767.72 = 27,580.15 : x
  2. Step 2: Convert to fraction form
    57,141.55/85,767.72 = 27,580.15/x
  3. Step 3: Cross multiply
    57,141.55x = 85,767.72 × 27,580.15
  4. Step 4: Simplify right side
    57,141.55x = 2,365,486,582.76
  5. Step 5: Solve for x
    x = 2,365,486,582.76/57,141.55
  6. Step 6: Final answer
    x = 41,396.96

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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.