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Finding the Fourth Proportional to 57,000.87, 85,502.78 and 27,008.07

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Solution

The fourth proportional to 57,000.87, 85,502.78 and 27,008.07 is: 40,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.87 : 85,502.78 = 27,008.07 : x
  2. Step 2: Convert to fraction form
    57,000.87/85,502.78 = 27,008.07/x
  3. Step 3: Cross multiply
    57,000.87x = 85,502.78 × 27,008.07
  4. Step 4: Simplify right side
    57,000.87x = 2,309,264,932.39
  5. Step 5: Solve for x
    x = 2,309,264,932.39/57,000.87
  6. Step 6: Final answer
    x = 40,512.80

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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.