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Finding the Fourth Proportional to 35,671.25, 49,226.22 and 20,563.83

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Solution

The fourth proportional to 35,671.25, 49,226.22 and 20,563.83 is: 28,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,671.25 : 49,226.22 = 20,563.83 : x
  2. Step 2: Convert to fraction form
    35,671.25/49,226.22 = 20,563.83/x
  3. Step 3: Cross multiply
    35,671.25x = 49,226.22 × 20,563.83
  4. Step 4: Simplify right side
    35,671.25x = 1,012,279,619.62
  5. Step 5: Solve for x
    x = 1,012,279,619.62/35,671.25
  6. Step 6: Final answer
    x = 28,378.02

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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.