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Finding the Fourth Proportional to 8,132.60, 11,222.92 and 4,406.60

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Solution

The fourth proportional to 8,132.60, 11,222.92 and 4,406.60 is: 6,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.60 : 11,222.92 = 4,406.60 : x
  2. Step 2: Convert to fraction form
    8,132.60/11,222.92 = 4,406.60/x
  3. Step 3: Cross multiply
    8,132.60x = 11,222.92 × 4,406.60
  4. Step 4: Simplify right side
    8,132.60x = 49,454,919.27
  5. Step 5: Solve for x
    x = 49,454,919.27/8,132.60
  6. Step 6: Final answer
    x = 6,081.07

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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.