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Finding the Fourth Proportional to 63,657.90, 87,845.31 and 35,365.41

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Solution

The fourth proportional to 63,657.90, 87,845.31 and 35,365.41 is: 48,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,657.90 : 87,845.31 = 35,365.41 : x
  2. Step 2: Convert to fraction form
    63,657.90/87,845.31 = 35,365.41/x
  3. Step 3: Cross multiply
    63,657.90x = 87,845.31 × 35,365.41
  4. Step 4: Simplify right side
    63,657.90x = 3,106,685,404.73
  5. Step 5: Solve for x
    x = 3,106,685,404.73/63,657.90
  6. Step 6: Final answer
    x = 48,802.83

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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.