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Finding the Fourth Proportional to 4,776.93, 7,151.52 and 2,922.39

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Solution

The fourth proportional to 4,776.93, 7,151.52 and 2,922.39 is: 4,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.93 : 7,151.52 = 2,922.39 : x
  2. Step 2: Convert to fraction form
    4,776.93/7,151.52 = 2,922.39/x
  3. Step 3: Cross multiply
    4,776.93x = 7,151.52 × 2,922.39
  4. Step 4: Simplify right side
    4,776.93x = 20,899,530.53
  5. Step 5: Solve for x
    x = 20,899,530.53/4,776.93
  6. Step 6: Final answer
    x = 4,375.10

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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.