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Finding the Fourth Proportional to 8,962.92, 13,427.86 and 4,277.88

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Solution

The fourth proportional to 8,962.92, 13,427.86 and 4,277.88 is: 6,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.92 : 13,427.86 = 4,277.88 : x
  2. Step 2: Convert to fraction form
    8,962.92/13,427.86 = 4,277.88/x
  3. Step 3: Cross multiply
    8,962.92x = 13,427.86 × 4,277.88
  4. Step 4: Simplify right side
    8,962.92x = 57,442,773.74
  5. Step 5: Solve for x
    x = 57,442,773.74/8,962.92
  6. Step 6: Final answer
    x = 6,408.94

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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.