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Finding the Fourth Proportional to 6,717.96, 9,270.86 and 3,733.92

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Solution

The fourth proportional to 6,717.96, 9,270.86 and 3,733.92 is: 5,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.96 : 9,270.86 = 3,733.92 : x
  2. Step 2: Convert to fraction form
    6,717.96/9,270.86 = 3,733.92/x
  3. Step 3: Cross multiply
    6,717.96x = 9,270.86 × 3,733.92
  4. Step 4: Simplify right side
    6,717.96x = 34,616,630.90
  5. Step 5: Solve for x
    x = 34,616,630.90/6,717.96
  6. Step 6: Final answer
    x = 5,152.85

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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.