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Finding the Fourth Proportional to 4,756.75, 7,135.12 and 1,469.77

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Solution

The fourth proportional to 4,756.75, 7,135.12 and 1,469.77 is: 2,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.75 : 7,135.12 = 1,469.77 : x
  2. Step 2: Convert to fraction form
    4,756.75/7,135.12 = 1,469.77/x
  3. Step 3: Cross multiply
    4,756.75x = 7,135.12 × 1,469.77
  4. Step 4: Simplify right side
    4,756.75x = 10,486,969.32
  5. Step 5: Solve for x
    x = 10,486,969.32/4,756.75
  6. Step 6: Final answer
    x = 2,204.65

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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.