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Finding the Fourth Proportional to 8,165.25, 12,252.48 and 3,484.80

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Solution

The fourth proportional to 8,165.25, 12,252.48 and 3,484.80 is: 5,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.25 : 12,252.48 = 3,484.80 : x
  2. Step 2: Convert to fraction form
    8,165.25/12,252.48 = 3,484.80/x
  3. Step 3: Cross multiply
    8,165.25x = 12,252.48 × 3,484.80
  4. Step 4: Simplify right side
    8,165.25x = 42,697,442.30
  5. Step 5: Solve for x
    x = 42,697,442.30/8,165.25
  6. Step 6: Final answer
    x = 5,229.17

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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.