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Finding the Fourth Proportional to 8,656.92, 11,950.79 and 6,529.14

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Solution

The fourth proportional to 8,656.92, 11,950.79 and 6,529.14 is: 9,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.92 : 11,950.79 = 6,529.14 : x
  2. Step 2: Convert to fraction form
    8,656.92/11,950.79 = 6,529.14/x
  3. Step 3: Cross multiply
    8,656.92x = 11,950.79 × 6,529.14
  4. Step 4: Simplify right side
    8,656.92x = 78,028,348.37
  5. Step 5: Solve for x
    x = 78,028,348.37/8,656.92
  6. Step 6: Final answer
    x = 9,013.41

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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.