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Finding the Fourth Proportional to 15,402.78, 23,104.17 and 8,824.44

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Solution

The fourth proportional to 15,402.78, 23,104.17 and 8,824.44 is: 13,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.78 : 23,104.17 = 8,824.44 : x
  2. Step 2: Convert to fraction form
    15,402.78/23,104.17 = 8,824.44/x
  3. Step 3: Cross multiply
    15,402.78x = 23,104.17 × 8,824.44
  4. Step 4: Simplify right side
    15,402.78x = 203,881,361.91
  5. Step 5: Solve for x
    x = 203,881,361.91/15,402.78
  6. Step 6: Final answer
    x = 13,236.66

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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.