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Finding the Fourth Proportional to 7,309.88, 10,092.90 and 6,600.32

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Solution

The fourth proportional to 7,309.88, 10,092.90 and 6,600.32 is: 9,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.88 : 10,092.90 = 6,600.32 : x
  2. Step 2: Convert to fraction form
    7,309.88/10,092.90 = 6,600.32/x
  3. Step 3: Cross multiply
    7,309.88x = 10,092.90 × 6,600.32
  4. Step 4: Simplify right side
    7,309.88x = 66,616,369.73
  5. Step 5: Solve for x
    x = 66,616,369.73/7,309.88
  6. Step 6: Final answer
    x = 9,113.20

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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.