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Finding the Fourth Proportional to 18,535.52, 27,803.03 and 7,442.00

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Solution

The fourth proportional to 18,535.52, 27,803.03 and 7,442.00 is: 11,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.52 : 27,803.03 = 7,442.00 : x
  2. Step 2: Convert to fraction form
    18,535.52/27,803.03 = 7,442.00/x
  3. Step 3: Cross multiply
    18,535.52x = 27,803.03 × 7,442.00
  4. Step 4: Simplify right side
    18,535.52x = 206,910,200.16
  5. Step 5: Solve for x
    x = 206,910,200.16/18,535.52
  6. Step 6: Final answer
    x = 11,162.91

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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.