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Finding the Fourth Proportional to 14,619, 21,926.07 and 5,257.12

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Solution

The fourth proportional to 14,619, 21,926.07 and 5,257.12 is: 7,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619 : 21,926.07 = 5,257.12 : x
  2. Step 2: Convert to fraction form
    14,619/21,926.07 = 5,257.12/x
  3. Step 3: Cross multiply
    14,619x = 21,926.07 × 5,257.12
  4. Step 4: Simplify right side
    14,619x = 115,267,981.12
  5. Step 5: Solve for x
    x = 115,267,981.12/14,619
  6. Step 6: Final answer
    x = 7,884.81

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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.