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Finding the Fourth Proportional to 63,620.68, 87,795.18 and 35,325.88

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Solution

The fourth proportional to 63,620.68, 87,795.18 and 35,325.88 is: 48,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.68 : 87,795.18 = 35,325.88 : x
  2. Step 2: Convert to fraction form
    63,620.68/87,795.18 = 35,325.88/x
  3. Step 3: Cross multiply
    63,620.68x = 87,795.18 × 35,325.88
  4. Step 4: Simplify right side
    63,620.68x = 3,101,441,993.26
  5. Step 5: Solve for x
    x = 3,101,441,993.26/63,620.68
  6. Step 6: Final answer
    x = 48,748.96

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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.