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Finding the Fourth Proportional to 6,891.66, 9,504.48 and 5,956.70

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Solution

The fourth proportional to 6,891.66, 9,504.48 and 5,956.70 is: 8,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.66 : 9,504.48 = 5,956.70 : x
  2. Step 2: Convert to fraction form
    6,891.66/9,504.48 = 5,956.70/x
  3. Step 3: Cross multiply
    6,891.66x = 9,504.48 × 5,956.70
  4. Step 4: Simplify right side
    6,891.66x = 56,615,336.02
  5. Step 5: Solve for x
    x = 56,615,336.02/6,891.66
  6. Step 6: Final answer
    x = 8,215.05

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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.