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Finding the Fourth Proportional to 8,323.59, 11,470.77 and 5,961.63

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Solution

The fourth proportional to 8,323.59, 11,470.77 and 5,961.63 is: 8,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.59 : 11,470.77 = 5,961.63 : x
  2. Step 2: Convert to fraction form
    8,323.59/11,470.77 = 5,961.63/x
  3. Step 3: Cross multiply
    8,323.59x = 11,470.77 × 5,961.63
  4. Step 4: Simplify right side
    8,323.59x = 68,384,486.56
  5. Step 5: Solve for x
    x = 68,384,486.56/8,323.59
  6. Step 6: Final answer
    x = 8,215.74

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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.