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Finding the Fourth Proportional to 6,750.48, 10,133.16 and 3,979.14

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Solution

The fourth proportional to 6,750.48, 10,133.16 and 3,979.14 is: 5,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.48 : 10,133.16 = 3,979.14 : x
  2. Step 2: Convert to fraction form
    6,750.48/10,133.16 = 3,979.14/x
  3. Step 3: Cross multiply
    6,750.48x = 10,133.16 × 3,979.14
  4. Step 4: Simplify right side
    6,750.48x = 40,321,290.53
  5. Step 5: Solve for x
    x = 40,321,290.53/6,750.48
  6. Step 6: Final answer
    x = 5,973.10

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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.