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Finding the Fourth Proportional to 19,755.92, 27,262.78 and 10,803.33

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Solution

The fourth proportional to 19,755.92, 27,262.78 and 10,803.33 is: 14,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.92 : 27,262.78 = 10,803.33 : x
  2. Step 2: Convert to fraction form
    19,755.92/27,262.78 = 10,803.33/x
  3. Step 3: Cross multiply
    19,755.92x = 27,262.78 × 10,803.33
  4. Step 4: Simplify right side
    19,755.92x = 294,528,782.05
  5. Step 5: Solve for x
    x = 294,528,782.05/19,755.92
  6. Step 6: Final answer
    x = 14,908.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.