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Finding the Fourth Proportional to 15,111.95, 22,662 and 8,873.54

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Solution

The fourth proportional to 15,111.95, 22,662 and 8,873.54 is: 13,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.95 : 22,662 = 8,873.54 : x
  2. Step 2: Convert to fraction form
    15,111.95/22,662 = 8,873.54/x
  3. Step 3: Cross multiply
    15,111.95x = 22,662 × 8,873.54
  4. Step 4: Simplify right side
    15,111.95x = 201,092,050.17
  5. Step 5: Solve for x
    x = 201,092,050.17/15,111.95
  6. Step 6: Final answer
    x = 13,306.83

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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.