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Finding the Fourth Proportional to 8,294.54, 11,446.51 and 4,939.01

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Solution

The fourth proportional to 8,294.54, 11,446.51 and 4,939.01 is: 6,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.54 : 11,446.51 = 4,939.01 : x
  2. Step 2: Convert to fraction form
    8,294.54/11,446.51 = 4,939.01/x
  3. Step 3: Cross multiply
    8,294.54x = 11,446.51 × 4,939.01
  4. Step 4: Simplify right side
    8,294.54x = 56,534,435.43
  5. Step 5: Solve for x
    x = 56,534,435.43/8,294.54
  6. Step 6: Final answer
    x = 6,815.86

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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.