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Finding the Fourth Proportional to 15,953, 23,933.36 and 5,009

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Solution

The fourth proportional to 15,953, 23,933.36 and 5,009 is: 7,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953 : 23,933.36 = 5,009 : x
  2. Step 2: Convert to fraction form
    15,953/23,933.36 = 5,009/x
  3. Step 3: Cross multiply
    15,953x = 23,933.36 × 5,009
  4. Step 4: Simplify right side
    15,953x = 119,882,200.24
  5. Step 5: Solve for x
    x = 119,882,200.24/15,953
  6. Step 6: Final answer
    x = 7,514.71

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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.