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Finding the Fourth Proportional to 5,293.64, 7,938.54 and 2,005.04

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Solution

The fourth proportional to 5,293.64, 7,938.54 and 2,005.04 is: 3,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.64 : 7,938.54 = 2,005.04 : x
  2. Step 2: Convert to fraction form
    5,293.64/7,938.54 = 2,005.04/x
  3. Step 3: Cross multiply
    5,293.64x = 7,938.54 × 2,005.04
  4. Step 4: Simplify right side
    5,293.64x = 15,917,090.24
  5. Step 5: Solve for x
    x = 15,917,090.24/5,293.64
  6. Step 6: Final answer
    x = 3,006.83

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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.