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Finding the Fourth Proportional to 2,327.90, 3,491.52 and 684.08

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Solution

The fourth proportional to 2,327.90, 3,491.52 and 684.08 is: 1,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.90 : 3,491.52 = 684.08 : x
  2. Step 2: Convert to fraction form
    2,327.90/3,491.52 = 684.08/x
  3. Step 3: Cross multiply
    2,327.90x = 3,491.52 × 684.08
  4. Step 4: Simplify right side
    2,327.90x = 2,388,479.00
  5. Step 5: Solve for x
    x = 2,388,479.00/2,327.90
  6. Step 6: Final answer
    x = 1,026.02

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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.