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Finding the Fourth Proportional to 8,066, 12,088.44 and 5,485.52

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Solution

The fourth proportional to 8,066, 12,088.44 and 5,485.52 is: 8,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066 : 12,088.44 = 5,485.52 : x
  2. Step 2: Convert to fraction form
    8,066/12,088.44 = 5,485.52/x
  3. Step 3: Cross multiply
    8,066x = 12,088.44 × 5,485.52
  4. Step 4: Simplify right side
    8,066x = 66,311,379.39
  5. Step 5: Solve for x
    x = 66,311,379.39/8,066
  6. Step 6: Final answer
    x = 8,221.10

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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.