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Finding the Fourth Proportional to 63,560.89, 87,664.44 and 44,434.36

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Solution

The fourth proportional to 63,560.89, 87,664.44 and 44,434.36 is: 61,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,560.89 : 87,664.44 = 44,434.36 : x
  2. Step 2: Convert to fraction form
    63,560.89/87,664.44 = 44,434.36/x
  3. Step 3: Cross multiply
    63,560.89x = 87,664.44 × 44,434.36
  4. Step 4: Simplify right side
    63,560.89x = 3,895,313,286.16
  5. Step 5: Solve for x
    x = 3,895,313,286.16/63,560.89
  6. Step 6: Final answer
    x = 61,284.75

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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.