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Finding the Fourth Proportional to 7,001.84, 10,503.78 and 3,251.82

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Solution

The fourth proportional to 7,001.84, 10,503.78 and 3,251.82 is: 4,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.84 : 10,503.78 = 3,251.82 : x
  2. Step 2: Convert to fraction form
    7,001.84/10,503.78 = 3,251.82/x
  3. Step 3: Cross multiply
    7,001.84x = 10,503.78 × 3,251.82
  4. Step 4: Simplify right side
    7,001.84x = 34,156,401.88
  5. Step 5: Solve for x
    x = 34,156,401.88/7,001.84
  6. Step 6: Final answer
    x = 4,878.20

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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.