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Finding the Fourth Proportional to 6,703.75, 9,252.26 and 3,908.71

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Solution

The fourth proportional to 6,703.75, 9,252.26 and 3,908.71 is: 5,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.75 : 9,252.26 = 3,908.71 : x
  2. Step 2: Convert to fraction form
    6,703.75/9,252.26 = 3,908.71/x
  3. Step 3: Cross multiply
    6,703.75x = 9,252.26 × 3,908.71
  4. Step 4: Simplify right side
    6,703.75x = 36,164,401.18
  5. Step 5: Solve for x
    x = 36,164,401.18/6,703.75
  6. Step 6: Final answer
    x = 5,394.65

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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.