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Finding the Fourth Proportional to 57,099.74, 85,700.48 and 27,150.90

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Solution

The fourth proportional to 57,099.74, 85,700.48 and 27,150.90 is: 40,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.74 : 85,700.48 = 27,150.90 : x
  2. Step 2: Convert to fraction form
    57,099.74/85,700.48 = 27,150.90/x
  3. Step 3: Cross multiply
    57,099.74x = 85,700.48 × 27,150.90
  4. Step 4: Simplify right side
    57,099.74x = 2,326,844,858.02
  5. Step 5: Solve for x
    x = 2,326,844,858.02/57,099.74
  6. Step 6: Final answer
    x = 40,750.54

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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.