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Finding the Fourth Proportional to 7,737.84, 11,607.84 and 2,542.68

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Solution

The fourth proportional to 7,737.84, 11,607.84 and 2,542.68 is: 3,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.84 : 11,607.84 = 2,542.68 : x
  2. Step 2: Convert to fraction form
    7,737.84/11,607.84 = 2,542.68/x
  3. Step 3: Cross multiply
    7,737.84x = 11,607.84 × 2,542.68
  4. Step 4: Simplify right side
    7,737.84x = 29,515,022.61
  5. Step 5: Solve for x
    x = 29,515,022.61/7,737.84
  6. Step 6: Final answer
    x = 3,814.37

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1.5x scale

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.