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Finding the Fourth Proportional to 29,310.40, 43,882.80 and 22,812.40

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Solution

The fourth proportional to 29,310.40, 43,882.80 and 22,812.40 is: 34,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.40 : 43,882.80 = 22,812.40 : x
  2. Step 2: Convert to fraction form
    29,310.40/43,882.80 = 22,812.40/x
  3. Step 3: Cross multiply
    29,310.40x = 43,882.80 × 22,812.40
  4. Step 4: Simplify right side
    29,310.40x = 1,001,071,986.72
  5. Step 5: Solve for x
    x = 1,001,071,986.72/29,310.40
  6. Step 6: Final answer
    x = 34,154.16

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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.