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Finding the Fourth Proportional to 4,734.86, 7,103.65 and 3,909.26

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Solution

The fourth proportional to 4,734.86, 7,103.65 and 3,909.26 is: 5,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.86 : 7,103.65 = 3,909.26 : x
  2. Step 2: Convert to fraction form
    4,734.86/7,103.65 = 3,909.26/x
  3. Step 3: Cross multiply
    4,734.86x = 7,103.65 × 3,909.26
  4. Step 4: Simplify right side
    4,734.86x = 27,770,030.11
  5. Step 5: Solve for x
    x = 27,770,030.11/4,734.86
  6. Step 6: Final answer
    x = 5,865.02

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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.