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Finding the Fourth Proportional to 17,401.69, 26,129.18 and 15,339.07

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Solution

The fourth proportional to 17,401.69, 26,129.18 and 15,339.07 is: 23,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,401.69 : 26,129.18 = 15,339.07 : x
  2. Step 2: Convert to fraction form
    17,401.69/26,129.18 = 15,339.07/x
  3. Step 3: Cross multiply
    17,401.69x = 26,129.18 × 15,339.07
  4. Step 4: Simplify right side
    17,401.69x = 400,797,392.07
  5. Step 5: Solve for x
    x = 400,797,392.07/17,401.69
  6. Step 6: Final answer
    x = 23,032.10

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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.