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Finding the Fourth Proportional to 8,805.02, 13,202.76 and 3,868.88

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Solution

The fourth proportional to 8,805.02, 13,202.76 and 3,868.88 is: 5,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.02 : 13,202.76 = 3,868.88 : x
  2. Step 2: Convert to fraction form
    8,805.02/13,202.76 = 3,868.88/x
  3. Step 3: Cross multiply
    8,805.02x = 13,202.76 × 3,868.88
  4. Step 4: Simplify right side
    8,805.02x = 51,079,894.11
  5. Step 5: Solve for x
    x = 51,079,894.11/8,805.02
  6. Step 6: Final answer
    x = 5,801.22

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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.