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Finding the Fourth Proportional to 14,614.52, 21,921.77 and 6,711.80

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Solution

The fourth proportional to 14,614.52, 21,921.77 and 6,711.80 is: 10,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.52 : 21,921.77 = 6,711.80 : x
  2. Step 2: Convert to fraction form
    14,614.52/21,921.77 = 6,711.80/x
  3. Step 3: Cross multiply
    14,614.52x = 21,921.77 × 6,711.80
  4. Step 4: Simplify right side
    14,614.52x = 147,134,443.06
  5. Step 5: Solve for x
    x = 147,134,443.06/14,614.52
  6. Step 6: Final answer
    x = 10,067.69

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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.