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Finding the Fourth Proportional to 17,206.95, 25,795.78 and 7,843.66

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Solution

The fourth proportional to 17,206.95, 25,795.78 and 7,843.66 is: 11,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.95 : 25,795.78 = 7,843.66 : x
  2. Step 2: Convert to fraction form
    17,206.95/25,795.78 = 7,843.66/x
  3. Step 3: Cross multiply
    17,206.95x = 25,795.78 × 7,843.66
  4. Step 4: Simplify right side
    17,206.95x = 202,333,327.75
  5. Step 5: Solve for x
    x = 202,333,327.75/17,206.95
  6. Step 6: Final answer
    x = 11,758.81

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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.