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Finding the Fourth Proportional to 45,477, 68,126.40 and 23,224.68

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Solution

The fourth proportional to 45,477, 68,126.40 and 23,224.68 is: 34,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477 : 68,126.40 = 23,224.68 : x
  2. Step 2: Convert to fraction form
    45,477/68,126.40 = 23,224.68/x
  3. Step 3: Cross multiply
    45,477x = 68,126.40 × 23,224.68
  4. Step 4: Simplify right side
    45,477x = 1,582,213,839.55
  5. Step 5: Solve for x
    x = 1,582,213,839.55/45,477
  6. Step 6: Final answer
    x = 34,791.52

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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.