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Finding the Fourth Proportional to 6,792.57, 9,366.17 and 6,520.41

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Solution

The fourth proportional to 6,792.57, 9,366.17 and 6,520.41 is: 8,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.57 : 9,366.17 = 6,520.41 : x
  2. Step 2: Convert to fraction form
    6,792.57/9,366.17 = 6,520.41/x
  3. Step 3: Cross multiply
    6,792.57x = 9,366.17 × 6,520.41
  4. Step 4: Simplify right side
    6,792.57x = 61,071,235.93
  5. Step 5: Solve for x
    x = 61,071,235.93/6,792.57
  6. Step 6: Final answer
    x = 8,990.89

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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.