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Finding the Fourth Proportional to 8,807.05, 13,211.86 and 2,566.27

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Solution

The fourth proportional to 8,807.05, 13,211.86 and 2,566.27 is: 3,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.05 : 13,211.86 = 2,566.27 : x
  2. Step 2: Convert to fraction form
    8,807.05/13,211.86 = 2,566.27/x
  3. Step 3: Cross multiply
    8,807.05x = 13,211.86 × 2,566.27
  4. Step 4: Simplify right side
    8,807.05x = 33,905,199.96
  5. Step 5: Solve for x
    x = 33,905,199.96/8,807.05
  6. Step 6: Final answer
    x = 3,849.78

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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.