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Finding the Fourth Proportional to 7,220.67, 10,829.92 and 5,995.95

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Solution

The fourth proportional to 7,220.67, 10,829.92 and 5,995.95 is: 8,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.67 : 10,829.92 = 5,995.95 : x
  2. Step 2: Convert to fraction form
    7,220.67/10,829.92 = 5,995.95/x
  3. Step 3: Cross multiply
    7,220.67x = 10,829.92 × 5,995.95
  4. Step 4: Simplify right side
    7,220.67x = 64,935,658.82
  5. Step 5: Solve for x
    x = 64,935,658.82/7,220.67
  6. Step 6: Final answer
    x = 8,993.02

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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.