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Finding the Fourth Proportional to 8,722.80, 13,083.12 and 2,483.10

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Solution

The fourth proportional to 8,722.80, 13,083.12 and 2,483.10 is: 3,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.80 : 13,083.12 = 2,483.10 : x
  2. Step 2: Convert to fraction form
    8,722.80/13,083.12 = 2,483.10/x
  3. Step 3: Cross multiply
    8,722.80x = 13,083.12 × 2,483.10
  4. Step 4: Simplify right side
    8,722.80x = 32,486,695.27
  5. Step 5: Solve for x
    x = 32,486,695.27/8,722.80
  6. Step 6: Final answer
    x = 3,724.34

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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.