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Finding the Fourth Proportional to 5,292.32, 7,938.63 and 2,004.80

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Solution

The fourth proportional to 5,292.32, 7,938.63 and 2,004.80 is: 3,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.32 : 7,938.63 = 2,004.80 : x
  2. Step 2: Convert to fraction form
    5,292.32/7,938.63 = 2,004.80/x
  3. Step 3: Cross multiply
    5,292.32x = 7,938.63 × 2,004.80
  4. Step 4: Simplify right side
    5,292.32x = 15,915,365.42
  5. Step 5: Solve for x
    x = 15,915,365.42/5,292.32
  6. Step 6: Final answer
    x = 3,007.26

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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.