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Finding the Fourth Proportional to 8,798.83, 13,172.73 and 6,845.11

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Solution

The fourth proportional to 8,798.83, 13,172.73 and 6,845.11 is: 10,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.83 : 13,172.73 = 6,845.11 : x
  2. Step 2: Convert to fraction form
    8,798.83/13,172.73 = 6,845.11/x
  3. Step 3: Cross multiply
    8,798.83x = 13,172.73 × 6,845.11
  4. Step 4: Simplify right side
    8,798.83x = 90,168,727.25
  5. Step 5: Solve for x
    x = 90,168,727.25/8,798.83
  6. Step 6: Final answer
    x = 10,247.81

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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.