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Finding the Fourth Proportional to 66,248.59, 91,414.77 and 44,785.02

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Solution

The fourth proportional to 66,248.59, 91,414.77 and 44,785.02 is: 61,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,248.59 : 91,414.77 = 44,785.02 : x
  2. Step 2: Convert to fraction form
    66,248.59/91,414.77 = 44,785.02/x
  3. Step 3: Cross multiply
    66,248.59x = 91,414.77 × 44,785.02
  4. Step 4: Simplify right side
    66,248.59x = 4,094,012,477.61
  5. Step 5: Solve for x
    x = 4,094,012,477.61/66,248.59
  6. Step 6: Final answer
    x = 61,797.73

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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.