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Finding the Fourth Proportional to 8,637.50, 12,956.98 and 2,481.50

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Solution

The fourth proportional to 8,637.50, 12,956.98 and 2,481.50 is: 3,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.50 : 12,956.98 = 2,481.50 : x
  2. Step 2: Convert to fraction form
    8,637.50/12,956.98 = 2,481.50/x
  3. Step 3: Cross multiply
    8,637.50x = 12,956.98 × 2,481.50
  4. Step 4: Simplify right side
    8,637.50x = 32,152,745.87
  5. Step 5: Solve for x
    x = 32,152,745.87/8,637.50
  6. Step 6: Final answer
    x = 3,722.46

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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.