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Finding the Fourth Proportional to 8,579.54, 11,842.54 and 6,596.66

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Solution

The fourth proportional to 8,579.54, 11,842.54 and 6,596.66 is: 9,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.54 : 11,842.54 = 6,596.66 : x
  2. Step 2: Convert to fraction form
    8,579.54/11,842.54 = 6,596.66/x
  3. Step 3: Cross multiply
    8,579.54x = 11,842.54 × 6,596.66
  4. Step 4: Simplify right side
    8,579.54x = 78,121,209.92
  5. Step 5: Solve for x
    x = 78,121,209.92/8,579.54
  6. Step 6: Final answer
    x = 9,105.52

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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.