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Finding the Fourth Proportional to 8,909.82, 13,351.95 and 5,006.01

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Solution

The fourth proportional to 8,909.82, 13,351.95 and 5,006.01 is: 7,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.82 : 13,351.95 = 5,006.01 : x
  2. Step 2: Convert to fraction form
    8,909.82/13,351.95 = 5,006.01/x
  3. Step 3: Cross multiply
    8,909.82x = 13,351.95 × 5,006.01
  4. Step 4: Simplify right side
    8,909.82x = 66,839,995.22
  5. Step 5: Solve for x
    x = 66,839,995.22/8,909.82
  6. Step 6: Final answer
    x = 7,501.83

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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.