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Finding the Fourth Proportional to 35,495.92, 48,982.08 and 21,356.56

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Solution

The fourth proportional to 35,495.92, 48,982.08 and 21,356.56 is: 29,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.92 : 48,982.08 = 21,356.56 : x
  2. Step 2: Convert to fraction form
    35,495.92/48,982.08 = 21,356.56/x
  3. Step 3: Cross multiply
    35,495.92x = 48,982.08 × 21,356.56
  4. Step 4: Simplify right side
    35,495.92x = 1,046,088,730.44
  5. Step 5: Solve for x
    x = 1,046,088,730.44/35,495.92
  6. Step 6: Final answer
    x = 29,470.68

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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.