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Finding the Fourth Proportional to 35,957.71, 49,621.57 and 20,042.02

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Solution

The fourth proportional to 35,957.71, 49,621.57 and 20,042.02 is: 27,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.71 : 49,621.57 = 20,042.02 : x
  2. Step 2: Convert to fraction form
    35,957.71/49,621.57 = 20,042.02/x
  3. Step 3: Cross multiply
    35,957.71x = 49,621.57 × 20,042.02
  4. Step 4: Simplify right side
    35,957.71x = 994,516,498.37
  5. Step 5: Solve for x
    x = 994,516,498.37/35,957.71
  6. Step 6: Final answer
    x = 27,657.95

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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.