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Finding the Fourth Proportional to 6,659.17, 9,191.81 and 4,299.49

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Solution

The fourth proportional to 6,659.17, 9,191.81 and 4,299.49 is: 5,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.17 : 9,191.81 = 4,299.49 : x
  2. Step 2: Convert to fraction form
    6,659.17/9,191.81 = 4,299.49/x
  3. Step 3: Cross multiply
    6,659.17x = 9,191.81 × 4,299.49
  4. Step 4: Simplify right side
    6,659.17x = 39,520,095.18
  5. Step 5: Solve for x
    x = 39,520,095.18/6,659.17
  6. Step 6: Final answer
    x = 5,934.69

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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.