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Finding the Fourth Proportional to 5,863.62, 8,784.32 and 2,898.61

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Solution

The fourth proportional to 5,863.62, 8,784.32 and 2,898.61 is: 4,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.62 : 8,784.32 = 2,898.61 : x
  2. Step 2: Convert to fraction form
    5,863.62/8,784.32 = 2,898.61/x
  3. Step 3: Cross multiply
    5,863.62x = 8,784.32 × 2,898.61
  4. Step 4: Simplify right side
    5,863.62x = 25,462,330.50
  5. Step 5: Solve for x
    x = 25,462,330.50/5,863.62
  6. Step 6: Final answer
    x = 4,342.43

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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.