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Finding the Fourth Proportional to 14,414.44, 21,614.94 and 7,487.08

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Solution

The fourth proportional to 14,414.44, 21,614.94 and 7,487.08 is: 11,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.44 : 21,614.94 = 7,487.08 : x
  2. Step 2: Convert to fraction form
    14,414.44/21,614.94 = 7,487.08/x
  3. Step 3: Cross multiply
    14,414.44x = 21,614.94 × 7,487.08
  4. Step 4: Simplify right side
    14,414.44x = 161,832,784.98
  5. Step 5: Solve for x
    x = 161,832,784.98/14,414.44
  6. Step 6: Final answer
    x = 11,227.13

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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.