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Finding the Fourth Proportional to 7,287.97, 10,931.96 and 2,093.84

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Solution

The fourth proportional to 7,287.97, 10,931.96 and 2,093.84 is: 3,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.97 : 10,931.96 = 2,093.84 : x
  2. Step 2: Convert to fraction form
    7,287.97/10,931.96 = 2,093.84/x
  3. Step 3: Cross multiply
    7,287.97x = 10,931.96 × 2,093.84
  4. Step 4: Simplify right side
    7,287.97x = 22,889,775.13
  5. Step 5: Solve for x
    x = 22,889,775.13/7,287.97
  6. Step 6: Final answer
    x = 3,140.76

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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.