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Finding the Fourth Proportional to 6,653.65, 9,982.83 and 2,955.55

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Solution

The fourth proportional to 6,653.65, 9,982.83 and 2,955.55 is: 4,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.65 : 9,982.83 = 2,955.55 : x
  2. Step 2: Convert to fraction form
    6,653.65/9,982.83 = 2,955.55/x
  3. Step 3: Cross multiply
    6,653.65x = 9,982.83 × 2,955.55
  4. Step 4: Simplify right side
    6,653.65x = 29,504,753.21
  5. Step 5: Solve for x
    x = 29,504,753.21/6,653.65
  6. Step 6: Final answer
    x = 4,434.37

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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.