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Finding the Fourth Proportional to 7,290.87, 10,934.01 and 2,359.37

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Solution

The fourth proportional to 7,290.87, 10,934.01 and 2,359.37 is: 3,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.87 : 10,934.01 = 2,359.37 : x
  2. Step 2: Convert to fraction form
    7,290.87/10,934.01 = 2,359.37/x
  3. Step 3: Cross multiply
    7,290.87x = 10,934.01 × 2,359.37
  4. Step 4: Simplify right side
    7,290.87x = 25,797,320.50
  5. Step 5: Solve for x
    x = 25,797,320.50/7,290.87
  6. Step 6: Final answer
    x = 3,538.30

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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.