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Finding the Fourth Proportional to 5,558.96, 8,347.97 and 4,935.66

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Solution

The fourth proportional to 5,558.96, 8,347.97 and 4,935.66 is: 7,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.96 : 8,347.97 = 4,935.66 : x
  2. Step 2: Convert to fraction form
    5,558.96/8,347.97 = 4,935.66/x
  3. Step 3: Cross multiply
    5,558.96x = 8,347.97 × 4,935.66
  4. Step 4: Simplify right side
    5,558.96x = 41,202,753.95
  5. Step 5: Solve for x
    x = 41,202,753.95/5,558.96
  6. Step 6: Final answer
    x = 7,411.96

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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.