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Finding the Fourth Proportional to 8,802.74, 13,199.37 and 3,866.70

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Solution

The fourth proportional to 8,802.74, 13,199.37 and 3,866.70 is: 5,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.74 : 13,199.37 = 3,866.70 : x
  2. Step 2: Convert to fraction form
    8,802.74/13,199.37 = 3,866.70/x
  3. Step 3: Cross multiply
    8,802.74x = 13,199.37 × 3,866.70
  4. Step 4: Simplify right side
    8,802.74x = 51,038,003.98
  5. Step 5: Solve for x
    x = 51,038,003.98/8,802.74
  6. Step 6: Final answer
    x = 5,797.97

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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.