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Finding the Fourth Proportional to 36,528, 50,409 and 19,761.36

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Solution

The fourth proportional to 36,528, 50,409 and 19,761.36 is: 27,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,528 : 50,409 = 19,761.36 : x
  2. Step 2: Convert to fraction form
    36,528/50,409 = 19,761.36/x
  3. Step 3: Cross multiply
    36,528x = 50,409 × 19,761.36
  4. Step 4: Simplify right side
    36,528x = 996,150,396.24
  5. Step 5: Solve for x
    x = 996,150,396.24/36,528
  6. Step 6: Final answer
    x = 27,270.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.