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Finding the Fourth Proportional to 4,801.80, 7,202.70 and 4,225.80

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Solution

The fourth proportional to 4,801.80, 7,202.70 and 4,225.80 is: 6,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.80 : 7,202.70 = 4,225.80 : x
  2. Step 2: Convert to fraction form
    4,801.80/7,202.70 = 4,225.80/x
  3. Step 3: Cross multiply
    4,801.80x = 7,202.70 × 4,225.80
  4. Step 4: Simplify right side
    4,801.80x = 30,437,169.66
  5. Step 5: Solve for x
    x = 30,437,169.66/4,801.80
  6. Step 6: Final answer
    x = 6,338.70

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Similar ratio
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1.5x scale

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.