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Finding the Fourth Proportional to 5,296.68, 7,945.14 and 2,011.32

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Solution

The fourth proportional to 5,296.68, 7,945.14 and 2,011.32 is: 3,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.68 : 7,945.14 = 2,011.32 : x
  2. Step 2: Convert to fraction form
    5,296.68/7,945.14 = 2,011.32/x
  3. Step 3: Cross multiply
    5,296.68x = 7,945.14 × 2,011.32
  4. Step 4: Simplify right side
    5,296.68x = 15,980,218.98
  5. Step 5: Solve for x
    x = 15,980,218.98/5,296.68
  6. Step 6: Final answer
    x = 3,017.03

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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.