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Finding the Fourth Proportional to 63,637.50, 87,819.78 and 35,343.42

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Solution

The fourth proportional to 63,637.50, 87,819.78 and 35,343.42 is: 48,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,637.50 : 87,819.78 = 35,343.42 : x
  2. Step 2: Convert to fraction form
    63,637.50/87,819.78 = 35,343.42/x
  3. Step 3: Cross multiply
    63,637.50x = 87,819.78 × 35,343.42
  4. Step 4: Simplify right side
    63,637.50x = 3,103,851,368.85
  5. Step 5: Solve for x
    x = 3,103,851,368.85/63,637.50
  6. Step 6: Final answer
    x = 48,773.94

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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.