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Finding the Fourth Proportional to 7,159.70, 10,741.26 and 2,997.39

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Solution

The fourth proportional to 7,159.70, 10,741.26 and 2,997.39 is: 4,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.70 : 10,741.26 = 2,997.39 : x
  2. Step 2: Convert to fraction form
    7,159.70/10,741.26 = 2,997.39/x
  3. Step 3: Cross multiply
    7,159.70x = 10,741.26 × 2,997.39
  4. Step 4: Simplify right side
    7,159.70x = 32,195,745.31
  5. Step 5: Solve for x
    x = 32,195,745.31/7,159.70
  6. Step 6: Final answer
    x = 4,496.80

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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.