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Finding the Fourth Proportional to 7,750.62, 10,696.46 and 4,394.03

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Solution

The fourth proportional to 7,750.62, 10,696.46 and 4,394.03 is: 6,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.62 : 10,696.46 = 4,394.03 : x
  2. Step 2: Convert to fraction form
    7,750.62/10,696.46 = 4,394.03/x
  3. Step 3: Cross multiply
    7,750.62x = 10,696.46 × 4,394.03
  4. Step 4: Simplify right side
    7,750.62x = 47,000,490.68
  5. Step 5: Solve for x
    x = 47,000,490.68/7,750.62
  6. Step 6: Final answer
    x = 6,064.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.