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Finding the Fourth Proportional to 3,787.86, 5,681.87 and 1,014.53

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Solution

The fourth proportional to 3,787.86, 5,681.87 and 1,014.53 is: 1,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.86 : 5,681.87 = 1,014.53 : x
  2. Step 2: Convert to fraction form
    3,787.86/5,681.87 = 1,014.53/x
  3. Step 3: Cross multiply
    3,787.86x = 5,681.87 × 1,014.53
  4. Step 4: Simplify right side
    3,787.86x = 5,764,427.57
  5. Step 5: Solve for x
    x = 5,764,427.57/3,787.86
  6. Step 6: Final answer
    x = 1,521.82

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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.