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Finding the Fourth Proportional to 16,661.97, 24,989.31 and 4,976.10

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Solution

The fourth proportional to 16,661.97, 24,989.31 and 4,976.10 is: 7,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.97 : 24,989.31 = 4,976.10 : x
  2. Step 2: Convert to fraction form
    16,661.97/24,989.31 = 4,976.10/x
  3. Step 3: Cross multiply
    16,661.97x = 24,989.31 × 4,976.10
  4. Step 4: Simplify right side
    16,661.97x = 124,349,305.49
  5. Step 5: Solve for x
    x = 124,349,305.49/16,661.97
  6. Step 6: Final answer
    x = 7,463.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.