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Finding the Fourth Proportional to 7,324.00, 10,987.17 and 2,645.17

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Solution

The fourth proportional to 7,324.00, 10,987.17 and 2,645.17 is: 3,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.00 : 10,987.17 = 2,645.17 : x
  2. Step 2: Convert to fraction form
    7,324.00/10,987.17 = 2,645.17/x
  3. Step 3: Cross multiply
    7,324.00x = 10,987.17 × 2,645.17
  4. Step 4: Simplify right side
    7,324.00x = 29,062,917.97
  5. Step 5: Solve for x
    x = 29,062,917.97/7,324.00
  6. Step 6: Final answer
    x = 3,968.18

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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.