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Finding the Fourth Proportional to 1,585.44, 2,376.48 and 1,008.48

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Solution

The fourth proportional to 1,585.44, 2,376.48 and 1,008.48 is: 1,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.44 : 2,376.48 = 1,008.48 : x
  2. Step 2: Convert to fraction form
    1,585.44/2,376.48 = 1,008.48/x
  3. Step 3: Cross multiply
    1,585.44x = 2,376.48 × 1,008.48
  4. Step 4: Simplify right side
    1,585.44x = 2,396,632.55
  5. Step 5: Solve for x
    x = 2,396,632.55/1,585.44
  6. Step 6: Final answer
    x = 1,511.65

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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.