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Finding the Fourth Proportional to 57,874.68, 79,856.46 and 34,005.24

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Solution

The fourth proportional to 57,874.68, 79,856.46 and 34,005.24 is: 46,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,874.68 : 79,856.46 = 34,005.24 : x
  2. Step 2: Convert to fraction form
    57,874.68/79,856.46 = 34,005.24/x
  3. Step 3: Cross multiply
    57,874.68x = 79,856.46 × 34,005.24
  4. Step 4: Simplify right side
    57,874.68x = 2,715,538,087.85
  5. Step 5: Solve for x
    x = 2,715,538,087.85/57,874.68
  6. Step 6: Final answer
    x = 46,921.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.