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Finding the Fourth Proportional to 9,236.71, 13,917.41 and 7,629.27

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Solution

The fourth proportional to 9,236.71, 13,917.41 and 7,629.27 is: 11,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.71 : 13,917.41 = 7,629.27 : x
  2. Step 2: Convert to fraction form
    9,236.71/13,917.41 = 7,629.27/x
  3. Step 3: Cross multiply
    9,236.71x = 13,917.41 × 7,629.27
  4. Step 4: Simplify right side
    9,236.71x = 106,179,678.59
  5. Step 5: Solve for x
    x = 106,179,678.59/9,236.71
  6. Step 6: Final answer
    x = 11,495.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.