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Finding the Fourth Proportional to 36,851.77, 50,857.24 and 20,724.15

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Solution

The fourth proportional to 36,851.77, 50,857.24 and 20,724.15 is: 28,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,851.77 : 50,857.24 = 20,724.15 : x
  2. Step 2: Convert to fraction form
    36,851.77/50,857.24 = 20,724.15/x
  3. Step 3: Cross multiply
    36,851.77x = 50,857.24 × 20,724.15
  4. Step 4: Simplify right side
    36,851.77x = 1,053,973,070.35
  5. Step 5: Solve for x
    x = 1,053,973,070.35/36,851.77
  6. Step 6: Final answer
    x = 28,600.34

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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.