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Finding the Fourth Proportional to 2,339.93, 3,229.74 and 1,631.93

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Solution

The fourth proportional to 2,339.93, 3,229.74 and 1,631.93 is: 2,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.93 : 3,229.74 = 1,631.93 : x
  2. Step 2: Convert to fraction form
    2,339.93/3,229.74 = 1,631.93/x
  3. Step 3: Cross multiply
    2,339.93x = 3,229.74 × 1,631.93
  4. Step 4: Simplify right side
    2,339.93x = 5,270,693.45
  5. Step 5: Solve for x
    x = 5,270,693.45/2,339.93
  6. Step 6: Final answer
    x = 2,252.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.