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Finding the Fourth Proportional to 66,248.42, 91,414.52 and 44,784.87

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Solution

The fourth proportional to 66,248.42, 91,414.52 and 44,784.87 is: 61,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,248.42 : 91,414.52 = 44,784.87 : x
  2. Step 2: Convert to fraction form
    66,248.42/91,414.52 = 44,784.87/x
  3. Step 3: Cross multiply
    66,248.42x = 91,414.52 × 44,784.87
  4. Step 4: Simplify right side
    66,248.42x = 4,093,987,250.90
  5. Step 5: Solve for x
    x = 4,093,987,250.90/66,248.42
  6. Step 6: Final answer
    x = 61,797.51

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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.