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Finding the Fourth Proportional to 57,273.95, 85,866.30 and 27,272.72

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Solution

The fourth proportional to 57,273.95, 85,866.30 and 27,272.72 is: 40,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.95 : 85,866.30 = 27,272.72 : x
  2. Step 2: Convert to fraction form
    57,273.95/85,866.30 = 27,272.72/x
  3. Step 3: Cross multiply
    57,273.95x = 85,866.30 × 27,272.72
  4. Step 4: Simplify right side
    57,273.95x = 2,341,807,772.00
  5. Step 5: Solve for x
    x = 2,341,807,772.00/57,273.95
  6. Step 6: Final answer
    x = 40,887.83

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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.