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Finding the Fourth Proportional to 7,079.34, 10,619.04 and 2,149.04

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Solution

The fourth proportional to 7,079.34, 10,619.04 and 2,149.04 is: 3,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.34 : 10,619.04 = 2,149.04 : x
  2. Step 2: Convert to fraction form
    7,079.34/10,619.04 = 2,149.04/x
  3. Step 3: Cross multiply
    7,079.34x = 10,619.04 × 2,149.04
  4. Step 4: Simplify right side
    7,079.34x = 22,820,741.72
  5. Step 5: Solve for x
    x = 22,820,741.72/7,079.34
  6. Step 6: Final answer
    x = 3,223.57

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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.