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Finding the Fourth Proportional to 7,308.34, 10,960.98 and 2,113

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Solution

The fourth proportional to 7,308.34, 10,960.98 and 2,113 is: 3,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.34 : 10,960.98 = 2,113 : x
  2. Step 2: Convert to fraction form
    7,308.34/10,960.98 = 2,113/x
  3. Step 3: Cross multiply
    7,308.34x = 10,960.98 × 2,113
  4. Step 4: Simplify right side
    7,308.34x = 23,160,550.74
  5. Step 5: Solve for x
    x = 23,160,550.74/7,308.34
  6. Step 6: Final answer
    x = 3,169.06

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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.