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Finding the Fourth Proportional to 8,659.59, 11,950.25 and 4,680.71

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Solution

The fourth proportional to 8,659.59, 11,950.25 and 4,680.71 is: 6,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.59 : 11,950.25 = 4,680.71 : x
  2. Step 2: Convert to fraction form
    8,659.59/11,950.25 = 4,680.71/x
  3. Step 3: Cross multiply
    8,659.59x = 11,950.25 × 4,680.71
  4. Step 4: Simplify right side
    8,659.59x = 55,935,571.52
  5. Step 5: Solve for x
    x = 55,935,571.52/8,659.59
  6. Step 6: Final answer
    x = 6,459.38

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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.