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Finding the Fourth Proportional to 4,837.77, 6,661.22 and 4,236.80

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Solution

The fourth proportional to 4,837.77, 6,661.22 and 4,236.80 is: 5,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.77 : 6,661.22 = 4,236.80 : x
  2. Step 2: Convert to fraction form
    4,837.77/6,661.22 = 4,236.80/x
  3. Step 3: Cross multiply
    4,837.77x = 6,661.22 × 4,236.80
  4. Step 4: Simplify right side
    4,837.77x = 28,222,218.29
  5. Step 5: Solve for x
    x = 28,222,218.29/4,837.77
  6. Step 6: Final answer
    x = 5,833.73

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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.