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Finding the Fourth Proportional to 16,591.98, 24,879.86 and 7,239.90

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Solution

The fourth proportional to 16,591.98, 24,879.86 and 7,239.90 is: 10,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,591.98 : 24,879.86 = 7,239.90 : x
  2. Step 2: Convert to fraction form
    16,591.98/24,879.86 = 7,239.90/x
  3. Step 3: Cross multiply
    16,591.98x = 24,879.86 × 7,239.90
  4. Step 4: Simplify right side
    16,591.98x = 180,127,698.41
  5. Step 5: Solve for x
    x = 180,127,698.41/16,591.98
  6. Step 6: Final answer
    x = 10,856.31

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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.