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Finding the Fourth Proportional to 7,397.64, 11,096.91 and 3,015

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Solution

The fourth proportional to 7,397.64, 11,096.91 and 3,015 is: 4,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.64 : 11,096.91 = 3,015 : x
  2. Step 2: Convert to fraction form
    7,397.64/11,096.91 = 3,015/x
  3. Step 3: Cross multiply
    7,397.64x = 11,096.91 × 3,015
  4. Step 4: Simplify right side
    7,397.64x = 33,457,183.65
  5. Step 5: Solve for x
    x = 33,457,183.65/7,397.64
  6. Step 6: Final answer
    x = 4,522.68

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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.