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Finding the Fourth Proportional to 7,696.92, 10,616.69 and 5,306.99

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Solution

The fourth proportional to 7,696.92, 10,616.69 and 5,306.99 is: 7,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.92 : 10,616.69 = 5,306.99 : x
  2. Step 2: Convert to fraction form
    7,696.92/10,616.69 = 5,306.99/x
  3. Step 3: Cross multiply
    7,696.92x = 10,616.69 × 5,306.99
  4. Step 4: Simplify right side
    7,696.92x = 56,342,654.40
  5. Step 5: Solve for x
    x = 56,342,654.40/7,696.92
  6. Step 6: Final answer
    x = 7,320.16

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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.