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Finding the Fourth Proportional to 17,855.60, 26,757.08 and 9,947.22

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Solution

The fourth proportional to 17,855.60, 26,757.08 and 9,947.22 is: 14,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.60 : 26,757.08 = 9,947.22 : x
  2. Step 2: Convert to fraction form
    17,855.60/26,757.08 = 9,947.22/x
  3. Step 3: Cross multiply
    17,855.60x = 26,757.08 × 9,947.22
  4. Step 4: Simplify right side
    17,855.60x = 266,158,561.32
  5. Step 5: Solve for x
    x = 266,158,561.32/17,855.60
  6. Step 6: Final answer
    x = 14,906.17

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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.