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Finding the Fourth Proportional to 12,065.68, 16,650.96 and 6,760.83

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Solution

The fourth proportional to 12,065.68, 16,650.96 and 6,760.83 is: 9,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.68 : 16,650.96 = 6,760.83 : x
  2. Step 2: Convert to fraction form
    12,065.68/16,650.96 = 6,760.83/x
  3. Step 3: Cross multiply
    12,065.68x = 16,650.96 × 6,760.83
  4. Step 4: Simplify right side
    12,065.68x = 112,574,309.90
  5. Step 5: Solve for x
    x = 112,574,309.90/12,065.68
  6. Step 6: Final answer
    x = 9,330.13

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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.