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Finding the Fourth Proportional to 39,997, 59,998.46 and 15,373

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Solution

The fourth proportional to 39,997, 59,998.46 and 15,373 is: 23,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997 : 59,998.46 = 15,373 : x
  2. Step 2: Convert to fraction form
    39,997/59,998.46 = 15,373/x
  3. Step 3: Cross multiply
    39,997x = 59,998.46 × 15,373
  4. Step 4: Simplify right side
    39,997x = 922,356,325.58
  5. Step 5: Solve for x
    x = 922,356,325.58/39,997
  6. Step 6: Final answer
    x = 23,060.64

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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.