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Finding the Fourth Proportional to 7,323.68, 10,983.28 and 2,643.11

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Solution

The fourth proportional to 7,323.68, 10,983.28 and 2,643.11 is: 3,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.68 : 10,983.28 = 2,643.11 : x
  2. Step 2: Convert to fraction form
    7,323.68/10,983.28 = 2,643.11/x
  3. Step 3: Cross multiply
    7,323.68x = 10,983.28 × 2,643.11
  4. Step 4: Simplify right side
    7,323.68x = 29,030,063.60
  5. Step 5: Solve for x
    x = 29,030,063.60/7,323.68
  6. Step 6: Final answer
    x = 3,963.86

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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.