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Finding the Fourth Proportional to 6,220.99, 9,335.13 and 3,449.98

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Solution

The fourth proportional to 6,220.99, 9,335.13 and 3,449.98 is: 5,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.99 : 9,335.13 = 3,449.98 : x
  2. Step 2: Convert to fraction form
    6,220.99/9,335.13 = 3,449.98/x
  3. Step 3: Cross multiply
    6,220.99x = 9,335.13 × 3,449.98
  4. Step 4: Simplify right side
    6,220.99x = 32,206,011.80
  5. Step 5: Solve for x
    x = 32,206,011.80/6,220.99
  6. Step 6: Final answer
    x = 5,176.99

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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.