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Finding the Fourth Proportional to 7,006.91, 9,659.49 and 5,512.23

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Solution

The fourth proportional to 7,006.91, 9,659.49 and 5,512.23 is: 7,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.91 : 9,659.49 = 5,512.23 : x
  2. Step 2: Convert to fraction form
    7,006.91/9,659.49 = 5,512.23/x
  3. Step 3: Cross multiply
    7,006.91x = 9,659.49 × 5,512.23
  4. Step 4: Simplify right side
    7,006.91x = 53,245,309.89
  5. Step 5: Solve for x
    x = 53,245,309.89/7,006.91
  6. Step 6: Final answer
    x = 7,598.97

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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.