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Finding the Fourth Proportional to 15,493.44, 23,215.44 and 8,087.04

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Solution

The fourth proportional to 15,493.44, 23,215.44 and 8,087.04 is: 12,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.44 : 23,215.44 = 8,087.04 : x
  2. Step 2: Convert to fraction form
    15,493.44/23,215.44 = 8,087.04/x
  3. Step 3: Cross multiply
    15,493.44x = 23,215.44 × 8,087.04
  4. Step 4: Simplify right side
    15,493.44x = 187,744,191.90
  5. Step 5: Solve for x
    x = 187,744,191.90/15,493.44
  6. Step 6: Final answer
    x = 12,117.66

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1.5x scale

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.