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Finding the Fourth Proportional to 2,363.50, 3,262.44 and 1,432

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Solution

The fourth proportional to 2,363.50, 3,262.44 and 1,432 is: 1,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.50 : 3,262.44 = 1,432 : x
  2. Step 2: Convert to fraction form
    2,363.50/3,262.44 = 1,432/x
  3. Step 3: Cross multiply
    2,363.50x = 3,262.44 × 1,432
  4. Step 4: Simplify right side
    2,363.50x = 4,671,814.08
  5. Step 5: Solve for x
    x = 4,671,814.08/2,363.50
  6. Step 6: Final answer
    x = 1,976.65

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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.