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Finding the Fourth Proportional to 26,100.50, 36,020.03 and 15,348.60

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Solution

The fourth proportional to 26,100.50, 36,020.03 and 15,348.60 is: 21,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.50 : 36,020.03 = 15,348.60 : x
  2. Step 2: Convert to fraction form
    26,100.50/36,020.03 = 15,348.60/x
  3. Step 3: Cross multiply
    26,100.50x = 36,020.03 × 15,348.60
  4. Step 4: Simplify right side
    26,100.50x = 552,856,955.72
  5. Step 5: Solve for x
    x = 552,856,955.72/26,100.50
  6. Step 6: Final answer
    x = 21,181.86

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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.