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Finding the Fourth Proportional to 5,074.25, 7,009.25 and 4,083.30

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Solution

The fourth proportional to 5,074.25, 7,009.25 and 4,083.30 is: 5,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.25 : 7,009.25 = 4,083.30 : x
  2. Step 2: Convert to fraction form
    5,074.25/7,009.25 = 4,083.30/x
  3. Step 3: Cross multiply
    5,074.25x = 7,009.25 × 4,083.30
  4. Step 4: Simplify right side
    5,074.25x = 28,620,850.11
  5. Step 5: Solve for x
    x = 28,620,850.11/5,074.25
  6. Step 6: Final answer
    x = 5,640.42

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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.