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Finding the Fourth Proportional to 20,036.52, 27,650.52 and 11,653.02

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Solution

The fourth proportional to 20,036.52, 27,650.52 and 11,653.02 is: 16,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.52 : 27,650.52 = 11,653.02 : x
  2. Step 2: Convert to fraction form
    20,036.52/27,650.52 = 11,653.02/x
  3. Step 3: Cross multiply
    20,036.52x = 27,650.52 × 11,653.02
  4. Step 4: Simplify right side
    20,036.52x = 322,212,062.57
  5. Step 5: Solve for x
    x = 322,212,062.57/20,036.52
  6. Step 6: Final answer
    x = 16,081.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.