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Finding the Fourth Proportional to 6,125.64, 9,185.82 and 1,964.27

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Solution

The fourth proportional to 6,125.64, 9,185.82 and 1,964.27 is: 2,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.64 : 9,185.82 = 1,964.27 : x
  2. Step 2: Convert to fraction form
    6,125.64/9,185.82 = 1,964.27/x
  3. Step 3: Cross multiply
    6,125.64x = 9,185.82 × 1,964.27
  4. Step 4: Simplify right side
    6,125.64x = 18,043,384.72
  5. Step 5: Solve for x
    x = 18,043,384.72/6,125.64
  6. Step 6: Final answer
    x = 2,945.55

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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.