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Finding the Fourth Proportional to 12,241.65, 18,360.06 and 5,998.98

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Solution

The fourth proportional to 12,241.65, 18,360.06 and 5,998.98 is: 8,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.65 : 18,360.06 = 5,998.98 : x
  2. Step 2: Convert to fraction form
    12,241.65/18,360.06 = 5,998.98/x
  3. Step 3: Cross multiply
    12,241.65x = 18,360.06 × 5,998.98
  4. Step 4: Simplify right side
    12,241.65x = 110,141,632.74
  5. Step 5: Solve for x
    x = 110,141,632.74/12,241.65
  6. Step 6: Final answer
    x = 8,997.29

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1.5x scale

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.