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Finding the Fourth Proportional to 22,904.40, 34,375.80 and 10,443.60

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Solution

The fourth proportional to 22,904.40, 34,375.80 and 10,443.60 is: 15,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.40 : 34,375.80 = 10,443.60 : x
  2. Step 2: Convert to fraction form
    22,904.40/34,375.80 = 10,443.60/x
  3. Step 3: Cross multiply
    22,904.40x = 34,375.80 × 10,443.60
  4. Step 4: Simplify right side
    22,904.40x = 359,007,104.88
  5. Step 5: Solve for x
    x = 359,007,104.88/22,904.40
  6. Step 6: Final answer
    x = 15,674.15

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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.