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Finding the Fourth Proportional to 15,995.17, 23,960.62 and 7,965.74

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Solution

The fourth proportional to 15,995.17, 23,960.62 and 7,965.74 is: 11,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.17 : 23,960.62 = 7,965.74 : x
  2. Step 2: Convert to fraction form
    15,995.17/23,960.62 = 7,965.74/x
  3. Step 3: Cross multiply
    15,995.17x = 23,960.62 × 7,965.74
  4. Step 4: Simplify right side
    15,995.17x = 190,864,069.16
  5. Step 5: Solve for x
    x = 190,864,069.16/15,995.17
  6. Step 6: Final answer
    x = 11,932.61

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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.