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Finding the Fourth Proportional to 6,893.99, 10,324.32 and 3,923.43

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Solution

The fourth proportional to 6,893.99, 10,324.32 and 3,923.43 is: 5,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.99 : 10,324.32 = 3,923.43 : x
  2. Step 2: Convert to fraction form
    6,893.99/10,324.32 = 3,923.43/x
  3. Step 3: Cross multiply
    6,893.99x = 10,324.32 × 3,923.43
  4. Step 4: Simplify right side
    6,893.99x = 40,506,746.82
  5. Step 5: Solve for x
    x = 40,506,746.82/6,893.99
  6. Step 6: Final answer
    x = 5,875.66

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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.