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Finding the Fourth Proportional to 39,372, 59,085.36 and 15,998.46

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Solution

The fourth proportional to 39,372, 59,085.36 and 15,998.46 is: 24,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372 : 59,085.36 = 15,998.46 : x
  2. Step 2: Convert to fraction form
    39,372/59,085.36 = 15,998.46/x
  3. Step 3: Cross multiply
    39,372x = 59,085.36 × 15,998.46
  4. Step 4: Simplify right side
    39,372x = 945,274,768.55
  5. Step 5: Solve for x
    x = 945,274,768.55/39,372
  6. Step 6: Final answer
    x = 24,008.81

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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.