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Finding the Fourth Proportional to 17,604.65, 26,344.09 and 15,291.90

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Solution

The fourth proportional to 17,604.65, 26,344.09 and 15,291.90 is: 22,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.65 : 26,344.09 = 15,291.90 : x
  2. Step 2: Convert to fraction form
    17,604.65/26,344.09 = 15,291.90/x
  3. Step 3: Cross multiply
    17,604.65x = 26,344.09 × 15,291.90
  4. Step 4: Simplify right side
    17,604.65x = 402,851,189.87
  5. Step 5: Solve for x
    x = 402,851,189.87/17,604.65
  6. Step 6: Final answer
    x = 22,883.23

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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.