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Finding the Fourth Proportional to 4,603.82, 6,905.72 and 2,137.29

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Solution

The fourth proportional to 4,603.82, 6,905.72 and 2,137.29 is: 3,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.82 : 6,905.72 = 2,137.29 : x
  2. Step 2: Convert to fraction form
    4,603.82/6,905.72 = 2,137.29/x
  3. Step 3: Cross multiply
    4,603.82x = 6,905.72 × 2,137.29
  4. Step 4: Simplify right side
    4,603.82x = 14,759,505.75
  5. Step 5: Solve for x
    x = 14,759,505.75/4,603.82
  6. Step 6: Final answer
    x = 3,205.93

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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.