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Finding the Fourth Proportional to 8,962.74, 13,425.88 and 4,517.67

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Solution

The fourth proportional to 8,962.74, 13,425.88 and 4,517.67 is: 6,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.74 : 13,425.88 = 4,517.67 : x
  2. Step 2: Convert to fraction form
    8,962.74/13,425.88 = 4,517.67/x
  3. Step 3: Cross multiply
    8,962.74x = 13,425.88 × 4,517.67
  4. Step 4: Simplify right side
    8,962.74x = 60,653,695.30
  5. Step 5: Solve for x
    x = 60,653,695.30/8,962.74
  6. Step 6: Final answer
    x = 6,767.32

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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.