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Finding the Fourth Proportional to 35,898.66, 49,541.22 and 20,793.78

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Solution

The fourth proportional to 35,898.66, 49,541.22 and 20,793.78 is: 28,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.66 : 49,541.22 = 20,793.78 : x
  2. Step 2: Convert to fraction form
    35,898.66/49,541.22 = 20,793.78/x
  3. Step 3: Cross multiply
    35,898.66x = 49,541.22 × 20,793.78
  4. Step 4: Simplify right side
    35,898.66x = 1,030,149,229.61
  5. Step 5: Solve for x
    x = 1,030,149,229.61/35,898.66
  6. Step 6: Final answer
    x = 28,696.04

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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.