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Finding the Fourth Proportional to 60,610.95, 90,930.73 and 19,057.95

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Solution

The fourth proportional to 60,610.95, 90,930.73 and 19,057.95 is: 28,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.95 : 90,930.73 = 19,057.95 : x
  2. Step 2: Convert to fraction form
    60,610.95/90,930.73 = 19,057.95/x
  3. Step 3: Cross multiply
    60,610.95x = 90,930.73 × 19,057.95
  4. Step 4: Simplify right side
    60,610.95x = 1,732,953,305.80
  5. Step 5: Solve for x
    x = 1,732,953,305.80/60,610.95
  6. Step 6: Final answer
    x = 28,591.42

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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.