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Finding the Fourth Proportional to 22,689.71, 34,041.50 and 11,604.19

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Solution

The fourth proportional to 22,689.71, 34,041.50 and 11,604.19 is: 17,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.71 : 34,041.50 = 11,604.19 : x
  2. Step 2: Convert to fraction form
    22,689.71/34,041.50 = 11,604.19/x
  3. Step 3: Cross multiply
    22,689.71x = 34,041.50 × 11,604.19
  4. Step 4: Simplify right side
    22,689.71x = 395,024,033.89
  5. Step 5: Solve for x
    x = 395,024,033.89/22,689.71
  6. Step 6: Final answer
    x = 17,409.83

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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.