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Finding the Fourth Proportional to 6,349.22, 8,761.92 and 3,554.72

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Solution

The fourth proportional to 6,349.22, 8,761.92 and 3,554.72 is: 4,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.22 : 8,761.92 = 3,554.72 : x
  2. Step 2: Convert to fraction form
    6,349.22/8,761.92 = 3,554.72/x
  3. Step 3: Cross multiply
    6,349.22x = 8,761.92 × 3,554.72
  4. Step 4: Simplify right side
    6,349.22x = 31,146,167.98
  5. Step 5: Solve for x
    x = 31,146,167.98/6,349.22
  6. Step 6: Final answer
    x = 4,905.51

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1.5x scale

Why These Related Problems?

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