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Finding the Fourth Proportional to 6,603.06, 9,904.20 and 1,672.68

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Solution

The fourth proportional to 6,603.06, 9,904.20 and 1,672.68 is: 2,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.06 : 9,904.20 = 1,672.68 : x
  2. Step 2: Convert to fraction form
    6,603.06/9,904.20 = 1,672.68/x
  3. Step 3: Cross multiply
    6,603.06x = 9,904.20 × 1,672.68
  4. Step 4: Simplify right side
    6,603.06x = 16,566,557.26
  5. Step 5: Solve for x
    x = 16,566,557.26/6,603.06
  6. Step 6: Final answer
    x = 2,508.92

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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.