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Finding the Fourth Proportional to 10,659.88, 15,961.12 and 6,952.92

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Solution

The fourth proportional to 10,659.88, 15,961.12 and 6,952.92 is: 10,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.88 : 15,961.12 = 6,952.92 : x
  2. Step 2: Convert to fraction form
    10,659.88/15,961.12 = 6,952.92/x
  3. Step 3: Cross multiply
    10,659.88x = 15,961.12 × 6,952.92
  4. Step 4: Simplify right side
    10,659.88x = 110,976,390.47
  5. Step 5: Solve for x
    x = 110,976,390.47/10,659.88
  6. Step 6: Final answer
    x = 10,410.66

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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.