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Finding the Fourth Proportional to 60,912.60, 91,357.72 and 27,624.66

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Solution

The fourth proportional to 60,912.60, 91,357.72 and 27,624.66 is: 41,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,912.60 : 91,357.72 = 27,624.66 : x
  2. Step 2: Convert to fraction form
    60,912.60/91,357.72 = 27,624.66/x
  3. Step 3: Cross multiply
    60,912.60x = 91,357.72 × 27,624.66
  4. Step 4: Simplify right side
    60,912.60x = 2,523,725,953.38
  5. Step 5: Solve for x
    x = 2,523,725,953.38/60,912.60
  6. Step 6: Final answer
    x = 41,431.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.