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Finding the Fourth Proportional to 16,490.97, 24,739.05 and 5,395.05

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Solution

The fourth proportional to 16,490.97, 24,739.05 and 5,395.05 is: 8,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.97 : 24,739.05 = 5,395.05 : x
  2. Step 2: Convert to fraction form
    16,490.97/24,739.05 = 5,395.05/x
  3. Step 3: Cross multiply
    16,490.97x = 24,739.05 × 5,395.05
  4. Step 4: Simplify right side
    16,490.97x = 133,468,411.70
  5. Step 5: Solve for x
    x = 133,468,411.70/16,490.97
  6. Step 6: Final answer
    x = 8,093.42

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1.5x scale

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.