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Finding the Fourth Proportional to 15,947.18, 22,006.95 and 8,873.48

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Solution

The fourth proportional to 15,947.18, 22,006.95 and 8,873.48 is: 12,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.18 : 22,006.95 = 8,873.48 : x
  2. Step 2: Convert to fraction form
    15,947.18/22,006.95 = 8,873.48/x
  3. Step 3: Cross multiply
    15,947.18x = 22,006.95 × 8,873.48
  4. Step 4: Simplify right side
    15,947.18x = 195,278,230.69
  5. Step 5: Solve for x
    x = 195,278,230.69/15,947.18
  6. Step 6: Final answer
    x = 12,245.31

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1.5x scale

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.