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Finding the Fourth Proportional to 51,659.83, 77,489.75 and 16,624.09

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Solution

The fourth proportional to 51,659.83, 77,489.75 and 16,624.09 is: 24,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,659.83 : 77,489.75 = 16,624.09 : x
  2. Step 2: Convert to fraction form
    51,659.83/77,489.75 = 16,624.09/x
  3. Step 3: Cross multiply
    51,659.83x = 77,489.75 × 16,624.09
  4. Step 4: Simplify right side
    51,659.83x = 1,288,196,578.08
  5. Step 5: Solve for x
    x = 1,288,196,578.08/51,659.83
  6. Step 6: Final answer
    x = 24,936.14

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Similar ratio
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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.