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Finding the Fourth Proportional to 22,891.64, 34,350.21 and 12,361.43

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Solution

The fourth proportional to 22,891.64, 34,350.21 and 12,361.43 is: 18,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.64 : 34,350.21 = 12,361.43 : x
  2. Step 2: Convert to fraction form
    22,891.64/34,350.21 = 12,361.43/x
  3. Step 3: Cross multiply
    22,891.64x = 34,350.21 × 12,361.43
  4. Step 4: Simplify right side
    22,891.64x = 424,617,802.28
  5. Step 5: Solve for x
    x = 424,617,802.28/22,891.64
  6. Step 6: Final answer
    x = 18,549.04

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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.