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Finding the Fourth Proportional to 5,537, 8,305.50 and 1,889

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Solution

The fourth proportional to 5,537, 8,305.50 and 1,889 is: 2,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537 : 8,305.50 = 1,889 : x
  2. Step 2: Convert to fraction form
    5,537/8,305.50 = 1,889/x
  3. Step 3: Cross multiply
    5,537x = 8,305.50 × 1,889
  4. Step 4: Simplify right side
    5,537x = 15,689,089.50
  5. Step 5: Solve for x
    x = 15,689,089.50/5,537
  6. Step 6: Final answer
    x = 2,833.50

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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.