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Finding the Fourth Proportional to 5,335.76, 7,995.18 and 3,868.04

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Solution

The fourth proportional to 5,335.76, 7,995.18 and 3,868.04 is: 5,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.76 : 7,995.18 = 3,868.04 : x
  2. Step 2: Convert to fraction form
    5,335.76/7,995.18 = 3,868.04/x
  3. Step 3: Cross multiply
    5,335.76x = 7,995.18 × 3,868.04
  4. Step 4: Simplify right side
    5,335.76x = 30,925,676.05
  5. Step 5: Solve for x
    x = 30,925,676.05/5,335.76
  6. Step 6: Final answer
    x = 5,795.93

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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.