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Finding the Fourth Proportional to 5,873.81, 8,811.11 and 2,175.95

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Solution

The fourth proportional to 5,873.81, 8,811.11 and 2,175.95 is: 3,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.81 : 8,811.11 = 2,175.95 : x
  2. Step 2: Convert to fraction form
    5,873.81/8,811.11 = 2,175.95/x
  3. Step 3: Cross multiply
    5,873.81x = 8,811.11 × 2,175.95
  4. Step 4: Simplify right side
    5,873.81x = 19,172,562.27
  5. Step 5: Solve for x
    x = 19,172,562.27/5,873.81
  6. Step 6: Final answer
    x = 3,264.08

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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.