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Finding the Fourth Proportional to 8,891.98, 13,309.00 and 6,551.06

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Solution

The fourth proportional to 8,891.98, 13,309.00 and 6,551.06 is: 9,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.98 : 13,309.00 = 6,551.06 : x
  2. Step 2: Convert to fraction form
    8,891.98/13,309.00 = 6,551.06/x
  3. Step 3: Cross multiply
    8,891.98x = 13,309.00 × 6,551.06
  4. Step 4: Simplify right side
    8,891.98x = 87,187,974.62
  5. Step 5: Solve for x
    x = 87,187,974.62/8,891.98
  6. Step 6: Final answer
    x = 9,805.24

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1.5x scale

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.