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Finding the Fourth Proportional to 7,081.08, 10,601.09 and 6,330.66

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Solution

The fourth proportional to 7,081.08, 10,601.09 and 6,330.66 is: 9,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.08 : 10,601.09 = 6,330.66 : x
  2. Step 2: Convert to fraction form
    7,081.08/10,601.09 = 6,330.66/x
  3. Step 3: Cross multiply
    7,081.08x = 10,601.09 × 6,330.66
  4. Step 4: Simplify right side
    7,081.08x = 67,111,896.42
  5. Step 5: Solve for x
    x = 67,111,896.42/7,081.08
  6. Step 6: Final answer
    x = 9,477.64

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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.