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Finding the Fourth Proportional to 8,878.00, 12,251.63 and 4,899.11

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Solution

The fourth proportional to 8,878.00, 12,251.63 and 4,899.11 is: 6,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.00 : 12,251.63 = 4,899.11 : x
  2. Step 2: Convert to fraction form
    8,878.00/12,251.63 = 4,899.11/x
  3. Step 3: Cross multiply
    8,878.00x = 12,251.63 × 4,899.11
  4. Step 4: Simplify right side
    8,878.00x = 60,022,058.55
  5. Step 5: Solve for x
    x = 60,022,058.55/8,878.00
  6. Step 6: Final answer
    x = 6,760.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.