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Finding the Fourth Proportional to 8,998.77, 13,502.52 and 3,661.77

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Solution

The fourth proportional to 8,998.77, 13,502.52 and 3,661.77 is: 5,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.77 : 13,502.52 = 3,661.77 : x
  2. Step 2: Convert to fraction form
    8,998.77/13,502.52 = 3,661.77/x
  3. Step 3: Cross multiply
    8,998.77x = 13,502.52 × 3,661.77
  4. Step 4: Simplify right side
    8,998.77x = 49,443,122.66
  5. Step 5: Solve for x
    x = 49,443,122.66/8,998.77
  6. Step 6: Final answer
    x = 5,494.43

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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.