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Finding the Fourth Proportional to 23,751.61, 35,639.72 and 17,231.61

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Solution

The fourth proportional to 23,751.61, 35,639.72 and 17,231.61 is: 25,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,751.61 : 35,639.72 = 17,231.61 : x
  2. Step 2: Convert to fraction form
    23,751.61/35,639.72 = 17,231.61/x
  3. Step 3: Cross multiply
    23,751.61x = 35,639.72 × 17,231.61
  4. Step 4: Simplify right side
    23,751.61x = 614,129,867.66
  5. Step 5: Solve for x
    x = 614,129,867.66/23,751.61
  6. Step 6: Final answer
    x = 25,856.35

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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.