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Finding the Fourth Proportional to 26,057.64, 35,960.20 and 15,991.64

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Solution

The fourth proportional to 26,057.64, 35,960.20 and 15,991.64 is: 22,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,057.64 : 35,960.20 = 15,991.64 : x
  2. Step 2: Convert to fraction form
    26,057.64/35,960.20 = 15,991.64/x
  3. Step 3: Cross multiply
    26,057.64x = 35,960.20 × 15,991.64
  4. Step 4: Simplify right side
    26,057.64x = 575,062,572.73
  5. Step 5: Solve for x
    x = 575,062,572.73/26,057.64
  6. Step 6: Final answer
    x = 22,068.87

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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.