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Finding the Fourth Proportional to 4,468.64, 6,696.13 and 2,388.95

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Solution

The fourth proportional to 4,468.64, 6,696.13 and 2,388.95 is: 3,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,468.64 : 6,696.13 = 2,388.95 : x
  2. Step 2: Convert to fraction form
    4,468.64/6,696.13 = 2,388.95/x
  3. Step 3: Cross multiply
    4,468.64x = 6,696.13 × 2,388.95
  4. Step 4: Simplify right side
    4,468.64x = 15,996,680.31
  5. Step 5: Solve for x
    x = 15,996,680.31/4,468.64
  6. Step 6: Final answer
    x = 3,579.76

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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.