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Finding the Fourth Proportional to 14,961.88, 22,418.02 and 9,100.76

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Solution

The fourth proportional to 14,961.88, 22,418.02 and 9,100.76 is: 13,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.88 : 22,418.02 = 9,100.76 : x
  2. Step 2: Convert to fraction form
    14,961.88/22,418.02 = 9,100.76/x
  3. Step 3: Cross multiply
    14,961.88x = 22,418.02 × 9,100.76
  4. Step 4: Simplify right side
    14,961.88x = 204,021,019.70
  5. Step 5: Solve for x
    x = 204,021,019.70/14,961.88
  6. Step 6: Final answer
    x = 13,636.06

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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.