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Finding the Fourth Proportional to 20,641.77, 30,962.61 and 5,850.82

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Solution

The fourth proportional to 20,641.77, 30,962.61 and 5,850.82 is: 8,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641.77 : 30,962.61 = 5,850.82 : x
  2. Step 2: Convert to fraction form
    20,641.77/30,962.61 = 5,850.82/x
  3. Step 3: Cross multiply
    20,641.77x = 30,962.61 × 5,850.82
  4. Step 4: Simplify right side
    20,641.77x = 181,156,674.60
  5. Step 5: Solve for x
    x = 181,156,674.60/20,641.77
  6. Step 6: Final answer
    x = 8,776.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.