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Finding the Fourth Proportional to 8,601.93, 11,859.56 and 5,769.77

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Solution

The fourth proportional to 8,601.93, 11,859.56 and 5,769.77 is: 7,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.93 : 11,859.56 = 5,769.77 : x
  2. Step 2: Convert to fraction form
    8,601.93/11,859.56 = 5,769.77/x
  3. Step 3: Cross multiply
    8,601.93x = 11,859.56 × 5,769.77
  4. Step 4: Simplify right side
    8,601.93x = 68,426,899.45
  5. Step 5: Solve for x
    x = 68,426,899.45/8,601.93
  6. Step 6: Final answer
    x = 7,954.83

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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.