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Finding the Fourth Proportional to 6,423.50, 8,863.55 and 3,590.52

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Solution

The fourth proportional to 6,423.50, 8,863.55 and 3,590.52 is: 4,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.50 : 8,863.55 = 3,590.52 : x
  2. Step 2: Convert to fraction form
    6,423.50/8,863.55 = 3,590.52/x
  3. Step 3: Cross multiply
    6,423.50x = 8,863.55 × 3,590.52
  4. Step 4: Simplify right side
    6,423.50x = 31,824,735.59
  5. Step 5: Solve for x
    x = 31,824,735.59/6,423.50
  6. Step 6: Final answer
    x = 4,954.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.