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Finding the Fourth Proportional to 7,257.99, 9,995.70 and 6,601.89

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Solution

The fourth proportional to 7,257.99, 9,995.70 and 6,601.89 is: 9,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.99 : 9,995.70 = 6,601.89 : x
  2. Step 2: Convert to fraction form
    7,257.99/9,995.70 = 6,601.89/x
  3. Step 3: Cross multiply
    7,257.99x = 9,995.70 × 6,601.89
  4. Step 4: Simplify right side
    7,257.99x = 65,990,511.87
  5. Step 5: Solve for x
    x = 65,990,511.87/7,257.99
  6. Step 6: Final answer
    x = 9,092.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.