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Finding the Fourth Proportional to 38,472.47, 57,729.03 and 27,300.01

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Solution

The fourth proportional to 38,472.47, 57,729.03 and 27,300.01 is: 40,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.47 : 57,729.03 = 27,300.01 : x
  2. Step 2: Convert to fraction form
    38,472.47/57,729.03 = 27,300.01/x
  3. Step 3: Cross multiply
    38,472.47x = 57,729.03 × 27,300.01
  4. Step 4: Simplify right side
    38,472.47x = 1,576,003,096.29
  5. Step 5: Solve for x
    x = 1,576,003,096.29/38,472.47
  6. Step 6: Final answer
    x = 40,964.44

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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.