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Finding the Fourth Proportional to 8,039.88, 12,060.05 and 2,196.49

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Solution

The fourth proportional to 8,039.88, 12,060.05 and 2,196.49 is: 3,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.88 : 12,060.05 = 2,196.49 : x
  2. Step 2: Convert to fraction form
    8,039.88/12,060.05 = 2,196.49/x
  3. Step 3: Cross multiply
    8,039.88x = 12,060.05 × 2,196.49
  4. Step 4: Simplify right side
    8,039.88x = 26,489,810.07
  5. Step 5: Solve for x
    x = 26,489,810.07/8,039.88
  6. Step 6: Final answer
    x = 3,294.80

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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.