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Finding the Fourth Proportional to 35,284.44, 48,697.02 and 20,380.44

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Solution

The fourth proportional to 35,284.44, 48,697.02 and 20,380.44 is: 28,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.44 : 48,697.02 = 20,380.44 : x
  2. Step 2: Convert to fraction form
    35,284.44/48,697.02 = 20,380.44/x
  3. Step 3: Cross multiply
    35,284.44x = 48,697.02 × 20,380.44
  4. Step 4: Simplify right side
    35,284.44x = 992,466,694.29
  5. Step 5: Solve for x
    x = 992,466,694.29/35,284.44
  6. Step 6: Final answer
    x = 28,127.60

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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.