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Finding the Fourth Proportional to 2,392.70, 3,585.89 and 1,076.37

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Solution

The fourth proportional to 2,392.70, 3,585.89 and 1,076.37 is: 1,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.70 : 3,585.89 = 1,076.37 : x
  2. Step 2: Convert to fraction form
    2,392.70/3,585.89 = 1,076.37/x
  3. Step 3: Cross multiply
    2,392.70x = 3,585.89 × 1,076.37
  4. Step 4: Simplify right side
    2,392.70x = 3,859,739.04
  5. Step 5: Solve for x
    x = 3,859,739.04/2,392.70
  6. Step 6: Final answer
    x = 1,613.13

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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.