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Finding the Fourth Proportional to 3,759.62, 5,605.34 and 3,662.28

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Solution

The fourth proportional to 3,759.62, 5,605.34 and 3,662.28 is: 5,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.62 : 5,605.34 = 3,662.28 : x
  2. Step 2: Convert to fraction form
    3,759.62/5,605.34 = 3,662.28/x
  3. Step 3: Cross multiply
    3,759.62x = 5,605.34 × 3,662.28
  4. Step 4: Simplify right side
    3,759.62x = 20,528,306.26
  5. Step 5: Solve for x
    x = 20,528,306.26/3,759.62
  6. Step 6: Final answer
    x = 5,460.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.