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Finding the Fourth Proportional to 5,369.98, 7,393.73 and 4,877.91

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Solution

The fourth proportional to 5,369.98, 7,393.73 and 4,877.91 is: 6,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.98 : 7,393.73 = 4,877.91 : x
  2. Step 2: Convert to fraction form
    5,369.98/7,393.73 = 4,877.91/x
  3. Step 3: Cross multiply
    5,369.98x = 7,393.73 × 4,877.91
  4. Step 4: Simplify right side
    5,369.98x = 36,065,924.73
  5. Step 5: Solve for x
    x = 36,065,924.73/5,369.98
  6. Step 6: Final answer
    x = 6,716.21

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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.