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Finding the Fourth Proportional to 35,798.26, 49,398.71 and 20,691.90

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Solution

The fourth proportional to 35,798.26, 49,398.71 and 20,691.90 is: 28,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.26 : 49,398.71 = 20,691.90 : x
  2. Step 2: Convert to fraction form
    35,798.26/49,398.71 = 20,691.90/x
  3. Step 3: Cross multiply
    35,798.26x = 49,398.71 × 20,691.90
  4. Step 4: Simplify right side
    35,798.26x = 1,022,153,167.45
  5. Step 5: Solve for x
    x = 1,022,153,167.45/35,798.26
  6. Step 6: Final answer
    x = 28,553.15

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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.