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Finding the Fourth Proportional to 6,603.96, 9,907.26 and 2,162.88

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Solution

The fourth proportional to 6,603.96, 9,907.26 and 2,162.88 is: 3,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.96 : 9,907.26 = 2,162.88 : x
  2. Step 2: Convert to fraction form
    6,603.96/9,907.26 = 2,162.88/x
  3. Step 3: Cross multiply
    6,603.96x = 9,907.26 × 2,162.88
  4. Step 4: Simplify right side
    6,603.96x = 21,428,214.51
  5. Step 5: Solve for x
    x = 21,428,214.51/6,603.96
  6. Step 6: Final answer
    x = 3,244.75

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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.