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Finding the Fourth Proportional to 15,352.78, 23,029.17 and 8,471.02

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Solution

The fourth proportional to 15,352.78, 23,029.17 and 8,471.02 is: 12,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.78 : 23,029.17 = 8,471.02 : x
  2. Step 2: Convert to fraction form
    15,352.78/23,029.17 = 8,471.02/x
  3. Step 3: Cross multiply
    15,352.78x = 23,029.17 × 8,471.02
  4. Step 4: Simplify right side
    15,352.78x = 195,080,537.32
  5. Step 5: Solve for x
    x = 195,080,537.32/15,352.78
  6. Step 6: Final answer
    x = 12,706.53

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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.