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Finding the Fourth Proportional to 57,314.59, 79,099.13 and 31,825.91

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Solution

The fourth proportional to 57,314.59, 79,099.13 and 31,825.91 is: 43,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,314.59 : 79,099.13 = 31,825.91 : x
  2. Step 2: Convert to fraction form
    57,314.59/79,099.13 = 31,825.91/x
  3. Step 3: Cross multiply
    57,314.59x = 79,099.13 × 31,825.91
  4. Step 4: Simplify right side
    57,314.59x = 2,517,402,069.77
  5. Step 5: Solve for x
    x = 2,517,402,069.77/57,314.59
  6. Step 6: Final answer
    x = 43,922.54

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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.