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Finding the Fourth Proportional to 7,617.66, 11,426.49 and 2,684.70

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Solution

The fourth proportional to 7,617.66, 11,426.49 and 2,684.70 is: 4,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.66 : 11,426.49 = 2,684.70 : x
  2. Step 2: Convert to fraction form
    7,617.66/11,426.49 = 2,684.70/x
  3. Step 3: Cross multiply
    7,617.66x = 11,426.49 × 2,684.70
  4. Step 4: Simplify right side
    7,617.66x = 30,676,697.70
  5. Step 5: Solve for x
    x = 30,676,697.70/7,617.66
  6. Step 6: Final answer
    x = 4,027.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.