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Finding the Fourth Proportional to 8,066.68, 12,041.67 and 7,489.96

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Solution

The fourth proportional to 8,066.68, 12,041.67 and 7,489.96 is: 11,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.68 : 12,041.67 = 7,489.96 : x
  2. Step 2: Convert to fraction form
    8,066.68/12,041.67 = 7,489.96/x
  3. Step 3: Cross multiply
    8,066.68x = 12,041.67 × 7,489.96
  4. Step 4: Simplify right side
    8,066.68x = 90,191,626.63
  5. Step 5: Solve for x
    x = 90,191,626.63/8,066.68
  6. Step 6: Final answer
    x = 11,180.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.