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Finding the Fourth Proportional to 18,351.48, 27,527.22 and 7,963

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Solution

The fourth proportional to 18,351.48, 27,527.22 and 7,963 is: 11,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.48 : 27,527.22 = 7,963 : x
  2. Step 2: Convert to fraction form
    18,351.48/27,527.22 = 7,963/x
  3. Step 3: Cross multiply
    18,351.48x = 27,527.22 × 7,963
  4. Step 4: Simplify right side
    18,351.48x = 219,199,252.86
  5. Step 5: Solve for x
    x = 219,199,252.86/18,351.48
  6. Step 6: Final answer
    x = 11,944.50

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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.