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Finding the Fourth Proportional to 17,292.95, 25,935.27 and 7,927.12

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Solution

The fourth proportional to 17,292.95, 25,935.27 and 7,927.12 is: 11,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.95 : 25,935.27 = 7,927.12 : x
  2. Step 2: Convert to fraction form
    17,292.95/25,935.27 = 7,927.12/x
  3. Step 3: Cross multiply
    17,292.95x = 25,935.27 × 7,927.12
  4. Step 4: Simplify right side
    17,292.95x = 205,591,997.52
  5. Step 5: Solve for x
    x = 205,591,997.52/17,292.95
  6. Step 6: Final answer
    x = 11,888.78

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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.