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Finding the Fourth Proportional to 4,828.73, 7,230.13 and 2,878.25

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Solution

The fourth proportional to 4,828.73, 7,230.13 and 2,878.25 is: 4,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.73 : 7,230.13 = 2,878.25 : x
  2. Step 2: Convert to fraction form
    4,828.73/7,230.13 = 2,878.25/x
  3. Step 3: Cross multiply
    4,828.73x = 7,230.13 × 2,878.25
  4. Step 4: Simplify right side
    4,828.73x = 20,810,078.33
  5. Step 5: Solve for x
    x = 20,810,078.33/4,828.73
  6. Step 6: Final answer
    x = 4,309.64

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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.