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Finding the Fourth Proportional to 7,291.84, 10,956.66 and 6,369.88

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Solution

The fourth proportional to 7,291.84, 10,956.66 and 6,369.88 is: 9,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.84 : 10,956.66 = 6,369.88 : x
  2. Step 2: Convert to fraction form
    7,291.84/10,956.66 = 6,369.88/x
  3. Step 3: Cross multiply
    7,291.84x = 10,956.66 × 6,369.88
  4. Step 4: Simplify right side
    7,291.84x = 69,792,609.40
  5. Step 5: Solve for x
    x = 69,792,609.40/7,291.84
  6. Step 6: Final answer
    x = 9,571.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.