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Finding the Fourth Proportional to 38,732, 57,987.84 and 25,544.16

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Solution

The fourth proportional to 38,732, 57,987.84 and 25,544.16 is: 38,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732 : 57,987.84 = 25,544.16 : x
  2. Step 2: Convert to fraction form
    38,732/57,987.84 = 25,544.16/x
  3. Step 3: Cross multiply
    38,732x = 57,987.84 × 25,544.16
  4. Step 4: Simplify right side
    38,732x = 1,481,250,663.01
  5. Step 5: Solve for x
    x = 1,481,250,663.01/38,732
  6. Step 6: Final answer
    x = 38,243.59

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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.