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Finding the Fourth Proportional to 38,943, 58,415.58 and 11,241

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Solution

The fourth proportional to 38,943, 58,415.58 and 11,241 is: 16,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,943 : 58,415.58 = 11,241 : x
  2. Step 2: Convert to fraction form
    38,943/58,415.58 = 11,241/x
  3. Step 3: Cross multiply
    38,943x = 58,415.58 × 11,241
  4. Step 4: Simplify right side
    38,943x = 656,649,534.78
  5. Step 5: Solve for x
    x = 656,649,534.78/38,943
  6. Step 6: Final answer
    x = 16,861.81

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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.