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Finding the Fourth Proportional to 8,034.80, 12,044.10 and 3,655.40

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Solution

The fourth proportional to 8,034.80, 12,044.10 and 3,655.40 is: 5,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.80 : 12,044.10 = 3,655.40 : x
  2. Step 2: Convert to fraction form
    8,034.80/12,044.10 = 3,655.40/x
  3. Step 3: Cross multiply
    8,034.80x = 12,044.10 × 3,655.40
  4. Step 4: Simplify right side
    8,034.80x = 44,026,003.14
  5. Step 5: Solve for x
    x = 44,026,003.14/8,034.80
  6. Step 6: Final answer
    x = 5,479.41

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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.