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Finding the Fourth Proportional to 51,997.59, 77,996.38 and 16,937.24

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Solution

The fourth proportional to 51,997.59, 77,996.38 and 16,937.24 is: 25,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.59 : 77,996.38 = 16,937.24 : x
  2. Step 2: Convert to fraction form
    51,997.59/77,996.38 = 16,937.24/x
  3. Step 3: Cross multiply
    51,997.59x = 77,996.38 × 16,937.24
  4. Step 4: Simplify right side
    51,997.59x = 1,321,043,407.19
  5. Step 5: Solve for x
    x = 1,321,043,407.19/51,997.59
  6. Step 6: Final answer
    x = 25,405.86

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Double scale
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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.