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Finding the Fourth Proportional to 2,308.93, 3,465.24 and 1,213.93

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Solution

The fourth proportional to 2,308.93, 3,465.24 and 1,213.93 is: 1,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.93 : 3,465.24 = 1,213.93 : x
  2. Step 2: Convert to fraction form
    2,308.93/3,465.24 = 1,213.93/x
  3. Step 3: Cross multiply
    2,308.93x = 3,465.24 × 1,213.93
  4. Step 4: Simplify right side
    2,308.93x = 4,206,558.79
  5. Step 5: Solve for x
    x = 4,206,558.79/2,308.93
  6. Step 6: Final answer
    x = 1,821.87

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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.