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Finding the Fourth Proportional to 26,256, 36,235.44 and 15,080.16

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Solution

The fourth proportional to 26,256, 36,235.44 and 15,080.16 is: 20,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256 : 36,235.44 = 15,080.16 : x
  2. Step 2: Convert to fraction form
    26,256/36,235.44 = 15,080.16/x
  3. Step 3: Cross multiply
    26,256x = 36,235.44 × 15,080.16
  4. Step 4: Simplify right side
    26,256x = 546,436,232.87
  5. Step 5: Solve for x
    x = 546,436,232.87/26,256
  6. Step 6: Final answer
    x = 20,811.86

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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.