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Finding the Fourth Proportional to 57,686.75, 79,643.75 and 44,232.14

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Solution

The fourth proportional to 57,686.75, 79,643.75 and 44,232.14 is: 61,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.75 : 79,643.75 = 44,232.14 : x
  2. Step 2: Convert to fraction form
    57,686.75/79,643.75 = 44,232.14/x
  3. Step 3: Cross multiply
    57,686.75x = 79,643.75 × 44,232.14
  4. Step 4: Simplify right side
    57,686.75x = 3,522,813,500.13
  5. Step 5: Solve for x
    x = 3,522,813,500.13/57,686.75
  6. Step 6: Final answer
    x = 61,067.98

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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.