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Finding the Fourth Proportional to 5,559.75, 7,673.74 and 3,671.71

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Solution

The fourth proportional to 5,559.75, 7,673.74 and 3,671.71 is: 5,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.75 : 7,673.74 = 3,671.71 : x
  2. Step 2: Convert to fraction form
    5,559.75/7,673.74 = 3,671.71/x
  3. Step 3: Cross multiply
    5,559.75x = 7,673.74 × 3,671.71
  4. Step 4: Simplify right side
    5,559.75x = 28,175,719.53
  5. Step 5: Solve for x
    x = 28,175,719.53/5,559.75
  6. Step 6: Final answer
    x = 5,067.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.