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Finding the Fourth Proportional to 11,863.53, 17,795.30 and 3,099.33

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Solution

The fourth proportional to 11,863.53, 17,795.30 and 3,099.33 is: 4,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.53 : 17,795.30 = 3,099.33 : x
  2. Step 2: Convert to fraction form
    11,863.53/17,795.30 = 3,099.33/x
  3. Step 3: Cross multiply
    11,863.53x = 17,795.30 × 3,099.33
  4. Step 4: Simplify right side
    11,863.53x = 55,153,491.65
  5. Step 5: Solve for x
    x = 55,153,491.65/11,863.53
  6. Step 6: Final answer
    x = 4,649.00

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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.