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Finding the Fourth Proportional to 3,967.84, 5,960.88 and 2,800.53

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Solution

The fourth proportional to 3,967.84, 5,960.88 and 2,800.53 is: 4,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.84 : 5,960.88 = 2,800.53 : x
  2. Step 2: Convert to fraction form
    3,967.84/5,960.88 = 2,800.53/x
  3. Step 3: Cross multiply
    3,967.84x = 5,960.88 × 2,800.53
  4. Step 4: Simplify right side
    3,967.84x = 16,693,623.27
  5. Step 5: Solve for x
    x = 16,693,623.27/3,967.84
  6. Step 6: Final answer
    x = 4,207.23

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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.