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Finding the Fourth Proportional to 5,291.41, 7,936.79 and 2,368.93

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Solution

The fourth proportional to 5,291.41, 7,936.79 and 2,368.93 is: 3,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.41 : 7,936.79 = 2,368.93 : x
  2. Step 2: Convert to fraction form
    5,291.41/7,936.79 = 2,368.93/x
  3. Step 3: Cross multiply
    5,291.41x = 7,936.79 × 2,368.93
  4. Step 4: Simplify right side
    5,291.41x = 18,801,699.93
  5. Step 5: Solve for x
    x = 18,801,699.93/5,291.41
  6. Step 6: Final answer
    x = 3,553.25

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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.