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Finding the Fourth Proportional to 7,289.32, 10,934.21 and 2,358.99

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Solution

The fourth proportional to 7,289.32, 10,934.21 and 2,358.99 is: 3,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.32 : 10,934.21 = 2,358.99 : x
  2. Step 2: Convert to fraction form
    7,289.32/10,934.21 = 2,358.99/x
  3. Step 3: Cross multiply
    7,289.32x = 10,934.21 × 2,358.99
  4. Step 4: Simplify right side
    7,289.32x = 25,793,692.05
  5. Step 5: Solve for x
    x = 25,793,692.05/7,289.32
  6. Step 6: Final answer
    x = 3,538.56

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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.