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Finding the Fourth Proportional to 53,395.84, 80,092.74 and 15,956.02

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Solution

The fourth proportional to 53,395.84, 80,092.74 and 15,956.02 is: 23,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.84 : 80,092.74 = 15,956.02 : x
  2. Step 2: Convert to fraction form
    53,395.84/80,092.74 = 15,956.02/x
  3. Step 3: Cross multiply
    53,395.84x = 80,092.74 × 15,956.02
  4. Step 4: Simplify right side
    53,395.84x = 1,277,961,361.29
  5. Step 5: Solve for x
    x = 1,277,961,361.29/53,395.84
  6. Step 6: Final answer
    x = 23,933.73

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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.