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Finding the Fourth Proportional to 6,600.38, 9,907.38 and 4,424.30

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Solution

The fourth proportional to 6,600.38, 9,907.38 and 4,424.30 is: 6,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.38 : 9,907.38 = 4,424.30 : x
  2. Step 2: Convert to fraction form
    6,600.38/9,907.38 = 4,424.30/x
  3. Step 3: Cross multiply
    6,600.38x = 9,907.38 × 4,424.30
  4. Step 4: Simplify right side
    6,600.38x = 43,833,221.33
  5. Step 5: Solve for x
    x = 43,833,221.33/6,600.38
  6. Step 6: Final answer
    x = 6,641.01

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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.