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Finding the Fourth Proportional to 53,266, 73,504.18 and 29,388.01

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Solution

The fourth proportional to 53,266, 73,504.18 and 29,388.01 is: 40,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266 : 73,504.18 = 29,388.01 : x
  2. Step 2: Convert to fraction form
    53,266/73,504.18 = 29,388.01/x
  3. Step 3: Cross multiply
    53,266x = 73,504.18 × 29,388.01
  4. Step 4: Simplify right side
    53,266x = 2,160,141,576.88
  5. Step 5: Solve for x
    x = 2,160,141,576.88/53,266
  6. Step 6: Final answer
    x = 40,553.85

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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.