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Finding the Fourth Proportional to 2,659.70, 3,662.21 and 2,326.19

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Solution

The fourth proportional to 2,659.70, 3,662.21 and 2,326.19 is: 3,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.70 : 3,662.21 = 2,326.19 : x
  2. Step 2: Convert to fraction form
    2,659.70/3,662.21 = 2,326.19/x
  3. Step 3: Cross multiply
    2,659.70x = 3,662.21 × 2,326.19
  4. Step 4: Simplify right side
    2,659.70x = 8,518,983.78
  5. Step 5: Solve for x
    x = 8,518,983.78/2,659.70
  6. Step 6: Final answer
    x = 3,202.98

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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.