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Finding the Fourth Proportional to 15,955, 23,936.34 and 5,011

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Solution

The fourth proportional to 15,955, 23,936.34 and 5,011 is: 7,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955 : 23,936.34 = 5,011 : x
  2. Step 2: Convert to fraction form
    15,955/23,936.34 = 5,011/x
  3. Step 3: Cross multiply
    15,955x = 23,936.34 × 5,011
  4. Step 4: Simplify right side
    15,955x = 119,944,999.74
  5. Step 5: Solve for x
    x = 119,944,999.74/15,955
  6. Step 6: Final answer
    x = 7,517.71

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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.