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Finding the Fourth Proportional to 26,236.82, 36,203.82 and 15,624.42

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Solution

The fourth proportional to 26,236.82, 36,203.82 and 15,624.42 is: 21,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,236.82 : 36,203.82 = 15,624.42 : x
  2. Step 2: Convert to fraction form
    26,236.82/36,203.82 = 15,624.42/x
  3. Step 3: Cross multiply
    26,236.82x = 36,203.82 × 15,624.42
  4. Step 4: Simplify right side
    26,236.82x = 565,663,689.28
  5. Step 5: Solve for x
    x = 565,663,689.28/26,236.82
  6. Step 6: Final answer
    x = 21,559.92

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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.