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Finding the Fourth Proportional to 8,244.38, 12,361.95 and 3,561.47

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Solution

The fourth proportional to 8,244.38, 12,361.95 and 3,561.47 is: 5,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.38 : 12,361.95 = 3,561.47 : x
  2. Step 2: Convert to fraction form
    8,244.38/12,361.95 = 3,561.47/x
  3. Step 3: Cross multiply
    8,244.38x = 12,361.95 × 3,561.47
  4. Step 4: Simplify right side
    8,244.38x = 44,026,634.45
  5. Step 5: Solve for x
    x = 44,026,634.45/8,244.38
  6. Step 6: Final answer
    x = 5,340.20

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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.