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Finding the Fourth Proportional to 40,938, 56,494.44 and 23,274

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Solution

The fourth proportional to 40,938, 56,494.44 and 23,274 is: 32,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938 : 56,494.44 = 23,274 : x
  2. Step 2: Convert to fraction form
    40,938/56,494.44 = 23,274/x
  3. Step 3: Cross multiply
    40,938x = 56,494.44 × 23,274
  4. Step 4: Simplify right side
    40,938x = 1,314,851,596.56
  5. Step 5: Solve for x
    x = 1,314,851,596.56/40,938
  6. Step 6: Final answer
    x = 32,118.12

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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.