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Finding the Fourth Proportional to 5,881.04, 8,821.08 and 2,181.52

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Solution

The fourth proportional to 5,881.04, 8,821.08 and 2,181.52 is: 3,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.04 : 8,821.08 = 2,181.52 : x
  2. Step 2: Convert to fraction form
    5,881.04/8,821.08 = 2,181.52/x
  3. Step 3: Cross multiply
    5,881.04x = 8,821.08 × 2,181.52
  4. Step 4: Simplify right side
    5,881.04x = 19,243,362.44
  5. Step 5: Solve for x
    x = 19,243,362.44/5,881.04
  6. Step 6: Final answer
    x = 3,272.10

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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.