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Finding the Fourth Proportional to 7,309.74, 10,958.10 and 2,691.66

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Solution

The fourth proportional to 7,309.74, 10,958.10 and 2,691.66 is: 4,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.74 : 10,958.10 = 2,691.66 : x
  2. Step 2: Convert to fraction form
    7,309.74/10,958.10 = 2,691.66/x
  3. Step 3: Cross multiply
    7,309.74x = 10,958.10 × 2,691.66
  4. Step 4: Simplify right side
    7,309.74x = 29,495,479.45
  5. Step 5: Solve for x
    x = 29,495,479.45/7,309.74
  6. Step 6: Final answer
    x = 4,035.09

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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.