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Finding the Fourth Proportional to 18,043.13, 24,898.52 and 9,976.32

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Solution

The fourth proportional to 18,043.13, 24,898.52 and 9,976.32 is: 13,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.13 : 24,898.52 = 9,976.32 : x
  2. Step 2: Convert to fraction form
    18,043.13/24,898.52 = 9,976.32/x
  3. Step 3: Cross multiply
    18,043.13x = 24,898.52 × 9,976.32
  4. Step 4: Simplify right side
    18,043.13x = 248,395,553.16
  5. Step 5: Solve for x
    x = 248,395,553.16/18,043.13
  6. Step 6: Final answer
    x = 13,766.76

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1.5x scale

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.