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Finding the Fourth Proportional to 6,191.77, 8,544.63 and 3,540.64

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Solution

The fourth proportional to 6,191.77, 8,544.63 and 3,540.64 is: 4,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.77 : 8,544.63 = 3,540.64 : x
  2. Step 2: Convert to fraction form
    6,191.77/8,544.63 = 3,540.64/x
  3. Step 3: Cross multiply
    6,191.77x = 8,544.63 × 3,540.64
  4. Step 4: Simplify right side
    6,191.77x = 30,253,458.76
  5. Step 5: Solve for x
    x = 30,253,458.76/6,191.77
  6. Step 6: Final answer
    x = 4,886.08

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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.