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Finding the Fourth Proportional to 63,748.22, 87,971.29 and 35,453.30

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Solution

The fourth proportional to 63,748.22, 87,971.29 and 35,453.30 is: 48,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,748.22 : 87,971.29 = 35,453.30 : x
  2. Step 2: Convert to fraction form
    63,748.22/87,971.29 = 35,453.30/x
  3. Step 3: Cross multiply
    63,748.22x = 87,971.29 × 35,453.30
  4. Step 4: Simplify right side
    63,748.22x = 3,118,872,007.27
  5. Step 5: Solve for x
    x = 3,118,872,007.27/63,748.22
  6. Step 6: Final answer
    x = 48,924.85

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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.