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Finding the Fourth Proportional to 22,954.60, 34,403.10 and 11,242.60

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Solution

The fourth proportional to 22,954.60, 34,403.10 and 11,242.60 is: 16,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.60 : 34,403.10 = 11,242.60 : x
  2. Step 2: Convert to fraction form
    22,954.60/34,403.10 = 11,242.60/x
  3. Step 3: Cross multiply
    22,954.60x = 34,403.10 × 11,242.60
  4. Step 4: Simplify right side
    22,954.60x = 386,780,292.06
  5. Step 5: Solve for x
    x = 386,780,292.06/22,954.60
  6. Step 6: Final answer
    x = 16,849.79

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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.