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Finding the Fourth Proportional to 7,909.53, 11,863.88 and 2,362.92

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Solution

The fourth proportional to 7,909.53, 11,863.88 and 2,362.92 is: 3,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.53 : 11,863.88 = 2,362.92 : x
  2. Step 2: Convert to fraction form
    7,909.53/11,863.88 = 2,362.92/x
  3. Step 3: Cross multiply
    7,909.53x = 11,863.88 × 2,362.92
  4. Step 4: Simplify right side
    7,909.53x = 28,033,399.33
  5. Step 5: Solve for x
    x = 28,033,399.33/7,909.53
  6. Step 6: Final answer
    x = 3,544.26

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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.