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Finding the Fourth Proportional to 22,186, 33,280.08 and 6,603.76

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Solution

The fourth proportional to 22,186, 33,280.08 and 6,603.76 is: 9,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186 : 33,280.08 = 6,603.76 : x
  2. Step 2: Convert to fraction form
    22,186/33,280.08 = 6,603.76/x
  3. Step 3: Cross multiply
    22,186x = 33,280.08 × 6,603.76
  4. Step 4: Simplify right side
    22,186x = 219,773,661.10
  5. Step 5: Solve for x
    x = 219,773,661.10/22,186
  6. Step 6: Final answer
    x = 9,905.96

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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.