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Finding the Fourth Proportional to 6,603.12, 9,884.03 and 4,259.99

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Solution

The fourth proportional to 6,603.12, 9,884.03 and 4,259.99 is: 6,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.12 : 9,884.03 = 4,259.99 : x
  2. Step 2: Convert to fraction form
    6,603.12/9,884.03 = 4,259.99/x
  3. Step 3: Cross multiply
    6,603.12x = 9,884.03 × 4,259.99
  4. Step 4: Simplify right side
    6,603.12x = 42,105,872.37
  5. Step 5: Solve for x
    x = 42,105,872.37/6,603.12
  6. Step 6: Final answer
    x = 6,376.66

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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.