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Finding the Fourth Proportional to 18,062.64, 27,076.34 and 7,535.69

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Solution

The fourth proportional to 18,062.64, 27,076.34 and 7,535.69 is: 11,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.64 : 27,076.34 = 7,535.69 : x
  2. Step 2: Convert to fraction form
    18,062.64/27,076.34 = 7,535.69/x
  3. Step 3: Cross multiply
    18,062.64x = 27,076.34 × 7,535.69
  4. Step 4: Simplify right side
    18,062.64x = 204,038,788.03
  5. Step 5: Solve for x
    x = 204,038,788.03/18,062.64
  6. Step 6: Final answer
    x = 11,296.18

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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.