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Finding the Fourth Proportional to 8,659.66, 11,950.03 and 5,474.69

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Solution

The fourth proportional to 8,659.66, 11,950.03 and 5,474.69 is: 7,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.66 : 11,950.03 = 5,474.69 : x
  2. Step 2: Convert to fraction form
    8,659.66/11,950.03 = 5,474.69/x
  3. Step 3: Cross multiply
    8,659.66x = 11,950.03 × 5,474.69
  4. Step 4: Simplify right side
    8,659.66x = 65,422,709.74
  5. Step 5: Solve for x
    x = 65,422,709.74/8,659.66
  6. Step 6: Final answer
    x = 7,554.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.