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Finding the Fourth Proportional to 3,009.84, 4,491.96 and 2,932.08

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Solution

The fourth proportional to 3,009.84, 4,491.96 and 2,932.08 is: 4,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.84 : 4,491.96 = 2,932.08 : x
  2. Step 2: Convert to fraction form
    3,009.84/4,491.96 = 2,932.08/x
  3. Step 3: Cross multiply
    3,009.84x = 4,491.96 × 2,932.08
  4. Step 4: Simplify right side
    3,009.84x = 13,170,786.08
  5. Step 5: Solve for x
    x = 13,170,786.08/3,009.84
  6. Step 6: Final answer
    x = 4,375.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.