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Finding the Fourth Proportional to 5,620.92, 8,431.92 and 2,333.94

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Solution

The fourth proportional to 5,620.92, 8,431.92 and 2,333.94 is: 3,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.92 : 8,431.92 = 2,333.94 : x
  2. Step 2: Convert to fraction form
    5,620.92/8,431.92 = 2,333.94/x
  3. Step 3: Cross multiply
    5,620.92x = 8,431.92 × 2,333.94
  4. Step 4: Simplify right side
    5,620.92x = 19,679,595.36
  5. Step 5: Solve for x
    x = 19,679,595.36/5,620.92
  6. Step 6: Final answer
    x = 3,501.13

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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.