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Finding the Fourth Proportional to 6,859.06, 9,467.06 and 3,876.63

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Solution

The fourth proportional to 6,859.06, 9,467.06 and 3,876.63 is: 5,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.06 : 9,467.06 = 3,876.63 : x
  2. Step 2: Convert to fraction form
    6,859.06/9,467.06 = 3,876.63/x
  3. Step 3: Cross multiply
    6,859.06x = 9,467.06 × 3,876.63
  4. Step 4: Simplify right side
    6,859.06x = 36,700,279.79
  5. Step 5: Solve for x
    x = 36,700,279.79/6,859.06
  6. Step 6: Final answer
    x = 5,350.62

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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.