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Finding the Fourth Proportional to 15,706.44, 23,531.55 and 8,294.31

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Solution

The fourth proportional to 15,706.44, 23,531.55 and 8,294.31 is: 12,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.44 : 23,531.55 = 8,294.31 : x
  2. Step 2: Convert to fraction form
    15,706.44/23,531.55 = 8,294.31/x
  3. Step 3: Cross multiply
    15,706.44x = 23,531.55 × 8,294.31
  4. Step 4: Simplify right side
    15,706.44x = 195,177,970.48
  5. Step 5: Solve for x
    x = 195,177,970.48/15,706.44
  6. Step 6: Final answer
    x = 12,426.62

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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.