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Finding the Fourth Proportional to 11,578.08, 17,365.08 and 3,256.12

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Solution

The fourth proportional to 11,578.08, 17,365.08 and 3,256.12 is: 4,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.08 : 17,365.08 = 3,256.12 : x
  2. Step 2: Convert to fraction form
    11,578.08/17,365.08 = 3,256.12/x
  3. Step 3: Cross multiply
    11,578.08x = 17,365.08 × 3,256.12
  4. Step 4: Simplify right side
    11,578.08x = 56,542,784.29
  5. Step 5: Solve for x
    x = 56,542,784.29/11,578.08
  6. Step 6: Final answer
    x = 4,883.61

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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.