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Finding the Fourth Proportional to 14,614.52, 21,910.28 and 6,287.72

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Solution

The fourth proportional to 14,614.52, 21,910.28 and 6,287.72 is: 9,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.52 : 21,910.28 = 6,287.72 : x
  2. Step 2: Convert to fraction form
    14,614.52/21,910.28 = 6,287.72/x
  3. Step 3: Cross multiply
    14,614.52x = 21,910.28 × 6,287.72
  4. Step 4: Simplify right side
    14,614.52x = 137,765,705.76
  5. Step 5: Solve for x
    x = 137,765,705.76/14,614.52
  6. Step 6: Final answer
    x = 9,426.63

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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.