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Finding the Fourth Proportional to 11,364.78, 17,039.24 and 5,036.22

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Solution

The fourth proportional to 11,364.78, 17,039.24 and 5,036.22 is: 7,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.78 : 17,039.24 = 5,036.22 : x
  2. Step 2: Convert to fraction form
    11,364.78/17,039.24 = 5,036.22/x
  3. Step 3: Cross multiply
    11,364.78x = 17,039.24 × 5,036.22
  4. Step 4: Simplify right side
    11,364.78x = 85,813,276.08
  5. Step 5: Solve for x
    x = 85,813,276.08/11,364.78
  6. Step 6: Final answer
    x = 7,550.81

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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.