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Finding the Fourth Proportional to 60,775.52, 91,162.68 and 19,222.52

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Solution

The fourth proportional to 60,775.52, 91,162.68 and 19,222.52 is: 28,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,775.52 : 91,162.68 = 19,222.52 : x
  2. Step 2: Convert to fraction form
    60,775.52/91,162.68 = 19,222.52/x
  3. Step 3: Cross multiply
    60,775.52x = 91,162.68 × 19,222.52
  4. Step 4: Simplify right side
    60,775.52x = 1,752,376,439.55
  5. Step 5: Solve for x
    x = 1,752,376,439.55/60,775.52
  6. Step 6: Final answer
    x = 28,833.59

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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.