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Finding the Fourth Proportional to 6,223.72, 9,336.86 and 4,276.84

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Solution

The fourth proportional to 6,223.72, 9,336.86 and 4,276.84 is: 6,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.72 : 9,336.86 = 4,276.84 : x
  2. Step 2: Convert to fraction form
    6,223.72/9,336.86 = 4,276.84/x
  3. Step 3: Cross multiply
    6,223.72x = 9,336.86 × 4,276.84
  4. Step 4: Simplify right side
    6,223.72x = 39,932,256.32
  5. Step 5: Solve for x
    x = 39,932,256.32/6,223.72
  6. Step 6: Final answer
    x = 6,416.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.