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Finding the Fourth Proportional to 45,610.64, 62,978.28 and 34,983.44

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Solution

The fourth proportional to 45,610.64, 62,978.28 and 34,983.44 is: 48,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,610.64 : 62,978.28 = 34,983.44 : x
  2. Step 2: Convert to fraction form
    45,610.64/62,978.28 = 34,983.44/x
  3. Step 3: Cross multiply
    45,610.64x = 62,978.28 × 34,983.44
  4. Step 4: Simplify right side
    45,610.64x = 2,203,196,879.68
  5. Step 5: Solve for x
    x = 2,203,196,879.68/45,610.64
  6. Step 6: Final answer
    x = 48,304.45

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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.