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Finding the Fourth Proportional to 12,377.46, 17,060.99 and 9,684.15

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Solution

The fourth proportional to 12,377.46, 17,060.99 and 9,684.15 is: 13,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.46 : 17,060.99 = 9,684.15 : x
  2. Step 2: Convert to fraction form
    12,377.46/17,060.99 = 9,684.15/x
  3. Step 3: Cross multiply
    12,377.46x = 17,060.99 × 9,684.15
  4. Step 4: Simplify right side
    12,377.46x = 165,221,186.31
  5. Step 5: Solve for x
    x = 165,221,186.31/12,377.46
  6. Step 6: Final answer
    x = 13,348.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.