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Finding the Fourth Proportional to 35,737.20, 49,323.87 and 20,627.80

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Solution

The fourth proportional to 35,737.20, 49,323.87 and 20,627.80 is: 28,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,737.20 : 49,323.87 = 20,627.80 : x
  2. Step 2: Convert to fraction form
    35,737.20/49,323.87 = 20,627.80/x
  3. Step 3: Cross multiply
    35,737.20x = 49,323.87 × 20,627.80
  4. Step 4: Simplify right side
    35,737.20x = 1,017,442,802.28
  5. Step 5: Solve for x
    x = 1,017,442,802.28/35,737.20
  6. Step 6: Final answer
    x = 28,470.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.