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Finding the Fourth Proportional to 27,924.53, 38,535.41 and 15,349.01

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Solution

The fourth proportional to 27,924.53, 38,535.41 and 15,349.01 is: 21,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.53 : 38,535.41 = 15,349.01 : x
  2. Step 2: Convert to fraction form
    27,924.53/38,535.41 = 15,349.01/x
  3. Step 3: Cross multiply
    27,924.53x = 38,535.41 × 15,349.01
  4. Step 4: Simplify right side
    27,924.53x = 591,480,239.14
  5. Step 5: Solve for x
    x = 591,480,239.14/27,924.53
  6. Step 6: Final answer
    x = 21,181.39

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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.