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Finding the Fourth Proportional to 17,182.33, 25,769.45 and 9,689.11

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Solution

The fourth proportional to 17,182.33, 25,769.45 and 9,689.11 is: 14,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.33 : 25,769.45 = 9,689.11 : x
  2. Step 2: Convert to fraction form
    17,182.33/25,769.45 = 9,689.11/x
  3. Step 3: Cross multiply
    17,182.33x = 25,769.45 × 9,689.11
  4. Step 4: Simplify right side
    17,182.33x = 249,682,995.49
  5. Step 5: Solve for x
    x = 249,682,995.49/17,182.33
  6. Step 6: Final answer
    x = 14,531.38

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1.5x scale

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.