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Finding the Fourth Proportional to 5,758.64, 8,630.94 and 2,464.78

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Solution

The fourth proportional to 5,758.64, 8,630.94 and 2,464.78 is: 3,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.64 : 8,630.94 = 2,464.78 : x
  2. Step 2: Convert to fraction form
    5,758.64/8,630.94 = 2,464.78/x
  3. Step 3: Cross multiply
    5,758.64x = 8,630.94 × 2,464.78
  4. Step 4: Simplify right side
    5,758.64x = 21,273,368.29
  5. Step 5: Solve for x
    x = 21,273,368.29/5,758.64
  6. Step 6: Final answer
    x = 3,694.17

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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.