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Finding the Fourth Proportional to 14,611.95, 21,891.96 and 9,972.27

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Solution

The fourth proportional to 14,611.95, 21,891.96 and 9,972.27 is: 14,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.95 : 21,891.96 = 9,972.27 : x
  2. Step 2: Convert to fraction form
    14,611.95/21,891.96 = 9,972.27/x
  3. Step 3: Cross multiply
    14,611.95x = 21,891.96 × 9,972.27
  4. Step 4: Simplify right side
    14,611.95x = 218,312,535.95
  5. Step 5: Solve for x
    x = 218,312,535.95/14,611.95
  6. Step 6: Final answer
    x = 14,940.68

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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.