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Finding the Fourth Proportional to 25,574.13, 38,361.29 and 8,934.10

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Solution

The fourth proportional to 25,574.13, 38,361.29 and 8,934.10 is: 13,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.13 : 38,361.29 = 8,934.10 : x
  2. Step 2: Convert to fraction form
    25,574.13/38,361.29 = 8,934.10/x
  3. Step 3: Cross multiply
    25,574.13x = 38,361.29 × 8,934.10
  4. Step 4: Simplify right side
    25,574.13x = 342,723,600.99
  5. Step 5: Solve for x
    x = 342,723,600.99/25,574.13
  6. Step 6: Final answer
    x = 13,401.18

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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.