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Finding the Fourth Proportional to 14,638.73, 21,972.67 and 8,068.01

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Solution

The fourth proportional to 14,638.73, 21,972.67 and 8,068.01 is: 12,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.73 : 21,972.67 = 8,068.01 : x
  2. Step 2: Convert to fraction form
    14,638.73/21,972.67 = 8,068.01/x
  3. Step 3: Cross multiply
    14,638.73x = 21,972.67 × 8,068.01
  4. Step 4: Simplify right side
    14,638.73x = 177,275,591.25
  5. Step 5: Solve for x
    x = 177,275,591.25/14,638.73
  6. Step 6: Final answer
    x = 12,110.04

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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.