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Finding the Fourth Proportional to 6,338.66, 9,507.92 and 1,955.61

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Solution

The fourth proportional to 6,338.66, 9,507.92 and 1,955.61 is: 2,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.66 : 9,507.92 = 1,955.61 : x
  2. Step 2: Convert to fraction form
    6,338.66/9,507.92 = 1,955.61/x
  3. Step 3: Cross multiply
    6,338.66x = 9,507.92 × 1,955.61
  4. Step 4: Simplify right side
    6,338.66x = 18,593,773.65
  5. Step 5: Solve for x
    x = 18,593,773.65/6,338.66
  6. Step 6: Final answer
    x = 2,933.39

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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.