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Finding the Fourth Proportional to 66,062.62, 91,165.69 and 35,848.61

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Solution

The fourth proportional to 66,062.62, 91,165.69 and 35,848.61 is: 49,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,062.62 : 91,165.69 = 35,848.61 : x
  2. Step 2: Convert to fraction form
    66,062.62/91,165.69 = 35,848.61/x
  3. Step 3: Cross multiply
    66,062.62x = 91,165.69 × 35,848.61
  4. Step 4: Simplify right side
    66,062.62x = 3,268,162,855.17
  5. Step 5: Solve for x
    x = 3,268,162,855.17/66,062.62
  6. Step 6: Final answer
    x = 49,470.68

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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.