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Finding the Fourth Proportional to 4,756.68, 7,129.08 and 3,367.80

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Solution

The fourth proportional to 4,756.68, 7,129.08 and 3,367.80 is: 5,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.68 : 7,129.08 = 3,367.80 : x
  2. Step 2: Convert to fraction form
    4,756.68/7,129.08 = 3,367.80/x
  3. Step 3: Cross multiply
    4,756.68x = 7,129.08 × 3,367.80
  4. Step 4: Simplify right side
    4,756.68x = 24,009,315.62
  5. Step 5: Solve for x
    x = 24,009,315.62/4,756.68
  6. Step 6: Final answer
    x = 5,047.49

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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.