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Finding the Fourth Proportional to 26,433, 36,481.86 and 15,261.48

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Solution

The fourth proportional to 26,433, 36,481.86 and 15,261.48 is: 21,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433 : 36,481.86 = 15,261.48 : x
  2. Step 2: Convert to fraction form
    26,433/36,481.86 = 15,261.48/x
  3. Step 3: Cross multiply
    26,433x = 36,481.86 × 15,261.48
  4. Step 4: Simplify right side
    26,433x = 556,767,176.75
  5. Step 5: Solve for x
    x = 556,767,176.75/26,433
  6. Step 6: Final answer
    x = 21,063.34

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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.