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Finding the Fourth Proportional to 19,954.14, 29,922.01 and 5,909.14

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Solution

The fourth proportional to 19,954.14, 29,922.01 and 5,909.14 is: 8,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.14 : 29,922.01 = 5,909.14 : x
  2. Step 2: Convert to fraction form
    19,954.14/29,922.01 = 5,909.14/x
  3. Step 3: Cross multiply
    19,954.14x = 29,922.01 × 5,909.14
  4. Step 4: Simplify right side
    19,954.14x = 176,813,346.17
  5. Step 5: Solve for x
    x = 176,813,346.17/19,954.14
  6. Step 6: Final answer
    x = 8,860.99

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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.