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Finding the Fourth Proportional to 7,259.96, 10,890.90 and 3,562.31

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Solution

The fourth proportional to 7,259.96, 10,890.90 and 3,562.31 is: 5,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.96 : 10,890.90 = 3,562.31 : x
  2. Step 2: Convert to fraction form
    7,259.96/10,890.90 = 3,562.31/x
  3. Step 3: Cross multiply
    7,259.96x = 10,890.90 × 3,562.31
  4. Step 4: Simplify right side
    7,259.96x = 38,796,761.98
  5. Step 5: Solve for x
    x = 38,796,761.98/7,259.96
  6. Step 6: Final answer
    x = 5,343.94

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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.