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Finding the Fourth Proportional to 6,750.43, 10,063.07 and 6,643.82

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Solution

The fourth proportional to 6,750.43, 10,063.07 and 6,643.82 is: 9,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.43 : 10,063.07 = 6,643.82 : x
  2. Step 2: Convert to fraction form
    6,750.43/10,063.07 = 6,643.82/x
  3. Step 3: Cross multiply
    6,750.43x = 10,063.07 × 6,643.82
  4. Step 4: Simplify right side
    6,750.43x = 66,857,217.18
  5. Step 5: Solve for x
    x = 66,857,217.18/6,750.43
  6. Step 6: Final answer
    x = 9,904.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.