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Finding the Fourth Proportional to 7,489.53, 11,241.32 and 3,794.38

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Solution

The fourth proportional to 7,489.53, 11,241.32 and 3,794.38 is: 5,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.53 : 11,241.32 = 3,794.38 : x
  2. Step 2: Convert to fraction form
    7,489.53/11,241.32 = 3,794.38/x
  3. Step 3: Cross multiply
    7,489.53x = 11,241.32 × 3,794.38
  4. Step 4: Simplify right side
    7,489.53x = 42,653,792.71
  5. Step 5: Solve for x
    x = 42,653,792.71/7,489.53
  6. Step 6: Final answer
    x = 5,695.12

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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.