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Finding the Fourth Proportional to 6,276, 9,414.08 and 2,577.28

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Solution

The fourth proportional to 6,276, 9,414.08 and 2,577.28 is: 3,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276 : 9,414.08 = 2,577.28 : x
  2. Step 2: Convert to fraction form
    6,276/9,414.08 = 2,577.28/x
  3. Step 3: Cross multiply
    6,276x = 9,414.08 × 2,577.28
  4. Step 4: Simplify right side
    6,276x = 24,262,720.10
  5. Step 5: Solve for x
    x = 24,262,720.10/6,276
  6. Step 6: Final answer
    x = 3,865.95

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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.