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Finding the Fourth Proportional to 6,603.49, 9,900.52 and 3,091.58

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Solution

The fourth proportional to 6,603.49, 9,900.52 and 3,091.58 is: 4,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.49 : 9,900.52 = 3,091.58 : x
  2. Step 2: Convert to fraction form
    6,603.49/9,900.52 = 3,091.58/x
  3. Step 3: Cross multiply
    6,603.49x = 9,900.52 × 3,091.58
  4. Step 4: Simplify right side
    6,603.49x = 30,608,249.62
  5. Step 5: Solve for x
    x = 30,608,249.62/6,603.49
  6. Step 6: Final answer
    x = 4,635.16

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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.