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Finding the Fourth Proportional to 41,957.04, 62,946.60 and 20,903.28

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Solution

The fourth proportional to 41,957.04, 62,946.60 and 20,903.28 is: 31,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,957.04 : 62,946.60 = 20,903.28 : x
  2. Step 2: Convert to fraction form
    41,957.04/62,946.60 = 20,903.28/x
  3. Step 3: Cross multiply
    41,957.04x = 62,946.60 × 20,903.28
  4. Step 4: Simplify right side
    41,957.04x = 1,315,790,404.85
  5. Step 5: Solve for x
    x = 1,315,790,404.85/41,957.04
  6. Step 6: Final answer
    x = 31,360.42

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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.