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Finding the Fourth Proportional to 18,008.88, 26,963.64 and 9,224.88

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Solution

The fourth proportional to 18,008.88, 26,963.64 and 9,224.88 is: 13,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.88 : 26,963.64 = 9,224.88 : x
  2. Step 2: Convert to fraction form
    18,008.88/26,963.64 = 9,224.88/x
  3. Step 3: Cross multiply
    18,008.88x = 26,963.64 × 9,224.88
  4. Step 4: Simplify right side
    18,008.88x = 248,736,343.36
  5. Step 5: Solve for x
    x = 248,736,343.36/18,008.88
  6. Step 6: Final answer
    x = 13,811.87

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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.