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Finding the Fourth Proportional to 7,059.69, 10,589.09 and 2,129.49

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Solution

The fourth proportional to 7,059.69, 10,589.09 and 2,129.49 is: 3,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.69 : 10,589.09 = 2,129.49 : x
  2. Step 2: Convert to fraction form
    7,059.69/10,589.09 = 2,129.49/x
  3. Step 3: Cross multiply
    7,059.69x = 10,589.09 × 2,129.49
  4. Step 4: Simplify right side
    7,059.69x = 22,549,350.62
  5. Step 5: Solve for x
    x = 22,549,350.62/7,059.69
  6. Step 6: Final answer
    x = 3,194.10

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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.