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Finding the Fourth Proportional to 8,362.50, 12,544.59 and 2,206.50

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Solution

The fourth proportional to 8,362.50, 12,544.59 and 2,206.50 is: 3,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.50 : 12,544.59 = 2,206.50 : x
  2. Step 2: Convert to fraction form
    8,362.50/12,544.59 = 2,206.50/x
  3. Step 3: Cross multiply
    8,362.50x = 12,544.59 × 2,206.50
  4. Step 4: Simplify right side
    8,362.50x = 27,679,637.84
  5. Step 5: Solve for x
    x = 27,679,637.84/8,362.50
  6. Step 6: Final answer
    x = 3,309.97

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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.