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Finding the Fourth Proportional to 63,807.62, 95,664.42 and 21,676.32

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Solution

The fourth proportional to 63,807.62, 95,664.42 and 21,676.32 is: 32,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,807.62 : 95,664.42 = 21,676.32 : x
  2. Step 2: Convert to fraction form
    63,807.62/95,664.42 = 21,676.32/x
  3. Step 3: Cross multiply
    63,807.62x = 95,664.42 × 21,676.32
  4. Step 4: Simplify right side
    63,807.62x = 2,073,652,580.53
  5. Step 5: Solve for x
    x = 2,073,652,580.53/63,807.62
  6. Step 6: Final answer
    x = 32,498.51

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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.