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Finding the Fourth Proportional to 7,626.69, 11,435.99 and 3,927.42

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Solution

The fourth proportional to 7,626.69, 11,435.99 and 3,927.42 is: 5,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.69 : 11,435.99 = 3,927.42 : x
  2. Step 2: Convert to fraction form
    7,626.69/11,435.99 = 3,927.42/x
  3. Step 3: Cross multiply
    7,626.69x = 11,435.99 × 3,927.42
  4. Step 4: Simplify right side
    7,626.69x = 44,913,916.21
  5. Step 5: Solve for x
    x = 44,913,916.21/7,626.69
  6. Step 6: Final answer
    x = 5,889.04

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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.