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Finding the Fourth Proportional to 18,370.70, 27,542.54 and 5,883.56

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Solution

The fourth proportional to 18,370.70, 27,542.54 and 5,883.56 is: 8,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.70 : 27,542.54 = 5,883.56 : x
  2. Step 2: Convert to fraction form
    18,370.70/27,542.54 = 5,883.56/x
  3. Step 3: Cross multiply
    18,370.70x = 27,542.54 × 5,883.56
  4. Step 4: Simplify right side
    18,370.70x = 162,048,186.64
  5. Step 5: Solve for x
    x = 162,048,186.64/18,370.70
  6. Step 6: Final answer
    x = 8,821.01

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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.