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Finding the Fourth Proportional to 3,951, 5,925.33 and 1,868.94

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Solution

The fourth proportional to 3,951, 5,925.33 and 1,868.94 is: 2,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951 : 5,925.33 = 1,868.94 : x
  2. Step 2: Convert to fraction form
    3,951/5,925.33 = 1,868.94/x
  3. Step 3: Cross multiply
    3,951x = 5,925.33 × 1,868.94
  4. Step 4: Simplify right side
    3,951x = 11,074,086.25
  5. Step 5: Solve for x
    x = 11,074,086.25/3,951
  6. Step 6: Final answer
    x = 2,802.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.