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Finding the Fourth Proportional to 2,363.70, 3,263.52 and 1,479.90

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Solution

The fourth proportional to 2,363.70, 3,263.52 and 1,479.90 is: 2,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.70 : 3,263.52 = 1,479.90 : x
  2. Step 2: Convert to fraction form
    2,363.70/3,263.52 = 1,479.90/x
  3. Step 3: Cross multiply
    2,363.70x = 3,263.52 × 1,479.90
  4. Step 4: Simplify right side
    2,363.70x = 4,829,683.25
  5. Step 5: Solve for x
    x = 4,829,683.25/2,363.70
  6. Step 6: Final answer
    x = 2,043.27

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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.