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Finding the Fourth Proportional to 8,340.34, 12,518.07 and 4,448.02

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Solution

The fourth proportional to 8,340.34, 12,518.07 and 4,448.02 is: 6,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.34 : 12,518.07 = 4,448.02 : x
  2. Step 2: Convert to fraction form
    8,340.34/12,518.07 = 4,448.02/x
  3. Step 3: Cross multiply
    8,340.34x = 12,518.07 × 4,448.02
  4. Step 4: Simplify right side
    8,340.34x = 55,680,625.72
  5. Step 5: Solve for x
    x = 55,680,625.72/8,340.34
  6. Step 6: Final answer
    x = 6,676.06

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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.