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Finding the Fourth Proportional to 5,865.81, 8,799.11 and 2,167.95

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Solution

The fourth proportional to 5,865.81, 8,799.11 and 2,167.95 is: 3,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.81 : 8,799.11 = 2,167.95 : x
  2. Step 2: Convert to fraction form
    5,865.81/8,799.11 = 2,167.95/x
  3. Step 3: Cross multiply
    5,865.81x = 8,799.11 × 2,167.95
  4. Step 4: Simplify right side
    5,865.81x = 19,076,030.52
  5. Step 5: Solve for x
    x = 19,076,030.52/5,865.81
  6. Step 6: Final answer
    x = 3,252.07

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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.