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Finding the Fourth Proportional to 8,798.92, 13,189.10 and 3,248.72

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Solution

The fourth proportional to 8,798.92, 13,189.10 and 3,248.72 is: 4,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.92 : 13,189.10 = 3,248.72 : x
  2. Step 2: Convert to fraction form
    8,798.92/13,189.10 = 3,248.72/x
  3. Step 3: Cross multiply
    8,798.92x = 13,189.10 × 3,248.72
  4. Step 4: Simplify right side
    8,798.92x = 42,847,692.95
  5. Step 5: Solve for x
    x = 42,847,692.95/8,798.92
  6. Step 6: Final answer
    x = 4,869.65

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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.