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Finding the Fourth Proportional to 14,717.88, 22,078.44 and 7,324.20

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Solution

The fourth proportional to 14,717.88, 22,078.44 and 7,324.20 is: 10,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.88 : 22,078.44 = 7,324.20 : x
  2. Step 2: Convert to fraction form
    14,717.88/22,078.44 = 7,324.20/x
  3. Step 3: Cross multiply
    14,717.88x = 22,078.44 × 7,324.20
  4. Step 4: Simplify right side
    14,717.88x = 161,706,910.25
  5. Step 5: Solve for x
    x = 161,706,910.25/14,717.88
  6. Step 6: Final answer
    x = 10,987.11

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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.