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Finding the Fourth Proportional to 63,483.21, 87,607.31 and 35,188.88

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Solution

The fourth proportional to 63,483.21, 87,607.31 and 35,188.88 is: 48,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,483.21 : 87,607.31 = 35,188.88 : x
  2. Step 2: Convert to fraction form
    63,483.21/87,607.31 = 35,188.88/x
  3. Step 3: Cross multiply
    63,483.21x = 87,607.31 × 35,188.88
  4. Step 4: Simplify right side
    63,483.21x = 3,082,802,504.73
  5. Step 5: Solve for x
    x = 3,082,802,504.73/63,483.21
  6. Step 6: Final answer
    x = 48,560.91

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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.