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Finding the Fourth Proportional to 32,636.03, 48,975.92 and 20,957.45

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Solution

The fourth proportional to 32,636.03, 48,975.92 and 20,957.45 is: 31,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,636.03 : 48,975.92 = 20,957.45 : x
  2. Step 2: Convert to fraction form
    32,636.03/48,975.92 = 20,957.45/x
  3. Step 3: Cross multiply
    32,636.03x = 48,975.92 × 20,957.45
  4. Step 4: Simplify right side
    32,636.03x = 1,026,410,394.60
  5. Step 5: Solve for x
    x = 1,026,410,394.60/32,636.03
  6. Step 6: Final answer
    x = 31,450.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.