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Finding the Fourth Proportional to 18,335.52, 27,499.71 and 7,803.54

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Solution

The fourth proportional to 18,335.52, 27,499.71 and 7,803.54 is: 11,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.52 : 27,499.71 = 7,803.54 : x
  2. Step 2: Convert to fraction form
    18,335.52/27,499.71 = 7,803.54/x
  3. Step 3: Cross multiply
    18,335.52x = 27,499.71 × 7,803.54
  4. Step 4: Simplify right side
    18,335.52x = 214,595,086.97
  5. Step 5: Solve for x
    x = 214,595,086.97/18,335.52
  6. Step 6: Final answer
    x = 11,703.79

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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.