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Finding the Fourth Proportional to 7,010.70, 9,675.44 and 5,239.24

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Solution

The fourth proportional to 7,010.70, 9,675.44 and 5,239.24 is: 7,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.70 : 9,675.44 = 5,239.24 : x
  2. Step 2: Convert to fraction form
    7,010.70/9,675.44 = 5,239.24/x
  3. Step 3: Cross multiply
    7,010.70x = 9,675.44 × 5,239.24
  4. Step 4: Simplify right side
    7,010.70x = 50,691,952.27
  5. Step 5: Solve for x
    x = 50,691,952.27/7,010.70
  6. Step 6: Final answer
    x = 7,230.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.