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Finding the Fourth Proportional to 5,871.76, 8,103.14 and 3,219.01

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Solution

The fourth proportional to 5,871.76, 8,103.14 and 3,219.01 is: 4,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.76 : 8,103.14 = 3,219.01 : x
  2. Step 2: Convert to fraction form
    5,871.76/8,103.14 = 3,219.01/x
  3. Step 3: Cross multiply
    5,871.76x = 8,103.14 × 3,219.01
  4. Step 4: Simplify right side
    5,871.76x = 26,084,064.41
  5. Step 5: Solve for x
    x = 26,084,064.41/5,871.76
  6. Step 6: Final answer
    x = 4,442.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.