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Finding the Fourth Proportional to 14,489.92, 21,726.72 and 4,626.88

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Solution

The fourth proportional to 14,489.92, 21,726.72 and 4,626.88 is: 6,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.92 : 21,726.72 = 4,626.88 : x
  2. Step 2: Convert to fraction form
    14,489.92/21,726.72 = 4,626.88/x
  3. Step 3: Cross multiply
    14,489.92x = 21,726.72 × 4,626.88
  4. Step 4: Simplify right side
    14,489.92x = 100,526,926.23
  5. Step 5: Solve for x
    x = 100,526,926.23/14,489.92
  6. Step 6: Final answer
    x = 6,937.71

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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.