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Finding the Fourth Proportional to 8,843.87, 13,326.63 and 7,318.20

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Solution

The fourth proportional to 8,843.87, 13,326.63 and 7,318.20 is: 11,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.87 : 13,326.63 = 7,318.20 : x
  2. Step 2: Convert to fraction form
    8,843.87/13,326.63 = 7,318.20/x
  3. Step 3: Cross multiply
    8,843.87x = 13,326.63 × 7,318.20
  4. Step 4: Simplify right side
    8,843.87x = 97,526,943.67
  5. Step 5: Solve for x
    x = 97,526,943.67/8,843.87
  6. Step 6: Final answer
    x = 11,027.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.