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Finding the Fourth Proportional to 7,273.19, 10,909.79 and 2,079.06

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Solution

The fourth proportional to 7,273.19, 10,909.79 and 2,079.06 is: 3,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.19 : 10,909.79 = 2,079.06 : x
  2. Step 2: Convert to fraction form
    7,273.19/10,909.79 = 2,079.06/x
  3. Step 3: Cross multiply
    7,273.19x = 10,909.79 × 2,079.06
  4. Step 4: Simplify right side
    7,273.19x = 22,682,097.60
  5. Step 5: Solve for x
    x = 22,682,097.60/7,273.19
  6. Step 6: Final answer
    x = 3,118.59

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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.