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Finding the Fourth Proportional to 63,607.74, 87,781.32 and 35,313.42

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Solution

The fourth proportional to 63,607.74, 87,781.32 and 35,313.42 is: 48,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,607.74 : 87,781.32 = 35,313.42 : x
  2. Step 2: Convert to fraction form
    63,607.74/87,781.32 = 35,313.42/x
  3. Step 3: Cross multiply
    63,607.74x = 87,781.32 × 35,313.42
  4. Step 4: Simplify right side
    63,607.74x = 3,099,858,621.31
  5. Step 5: Solve for x
    x = 3,099,858,621.31/63,607.74
  6. Step 6: Final answer
    x = 48,733.98

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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.