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Finding the Fourth Proportional to 8,044.78, 12,064.21 and 2,778.45

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Solution

The fourth proportional to 8,044.78, 12,064.21 and 2,778.45 is: 4,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.78 : 12,064.21 = 2,778.45 : x
  2. Step 2: Convert to fraction form
    8,044.78/12,064.21 = 2,778.45/x
  3. Step 3: Cross multiply
    8,044.78x = 12,064.21 × 2,778.45
  4. Step 4: Simplify right side
    8,044.78x = 33,519,804.27
  5. Step 5: Solve for x
    x = 33,519,804.27/8,044.78
  6. Step 6: Final answer
    x = 4,166.65

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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.