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Finding the Fourth Proportional to 3,338.75, 4,574.07 and 3,214.15

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Solution

The fourth proportional to 3,338.75, 4,574.07 and 3,214.15 is: 4,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.75 : 4,574.07 = 3,214.15 : x
  2. Step 2: Convert to fraction form
    3,338.75/4,574.07 = 3,214.15/x
  3. Step 3: Cross multiply
    3,338.75x = 4,574.07 × 3,214.15
  4. Step 4: Simplify right side
    3,338.75x = 14,701,735.66
  5. Step 5: Solve for x
    x = 14,701,735.66/3,338.75
  6. Step 6: Final answer
    x = 4,403.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.