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Finding the Fourth Proportional to 6,603.30, 9,908.17 and 2,905.06

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Solution

The fourth proportional to 6,603.30, 9,908.17 and 2,905.06 is: 4,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.30 : 9,908.17 = 2,905.06 : x
  2. Step 2: Convert to fraction form
    6,603.30/9,908.17 = 2,905.06/x
  3. Step 3: Cross multiply
    6,603.30x = 9,908.17 × 2,905.06
  4. Step 4: Simplify right side
    6,603.30x = 28,783,845.85
  5. Step 5: Solve for x
    x = 28,783,845.85/6,603.30
  6. Step 6: Final answer
    x = 4,359.01

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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.