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Finding the Fourth Proportional to 3,737.94, 5,607.51 and 1,272.50

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Solution

The fourth proportional to 3,737.94, 5,607.51 and 1,272.50 is: 1,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.94 : 5,607.51 = 1,272.50 : x
  2. Step 2: Convert to fraction form
    3,737.94/5,607.51 = 1,272.50/x
  3. Step 3: Cross multiply
    3,737.94x = 5,607.51 × 1,272.50
  4. Step 4: Simplify right side
    3,737.94x = 7,135,556.48
  5. Step 5: Solve for x
    x = 7,135,556.48/3,737.94
  6. Step 6: Final answer
    x = 1,908.96

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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.