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Finding the Fourth Proportional to 3,958.88, 5,942.93 and 2,316.61

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Solution

The fourth proportional to 3,958.88, 5,942.93 and 2,316.61 is: 3,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.88 : 5,942.93 = 2,316.61 : x
  2. Step 2: Convert to fraction form
    3,958.88/5,942.93 = 2,316.61/x
  3. Step 3: Cross multiply
    3,958.88x = 5,942.93 × 2,316.61
  4. Step 4: Simplify right side
    3,958.88x = 13,767,424.63
  5. Step 5: Solve for x
    x = 13,767,424.63/3,958.88
  6. Step 6: Final answer
    x = 3,477.60

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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.