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Finding the Fourth Proportional to 17,745.92, 24,489.50 and 9,787.94

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Solution

The fourth proportional to 17,745.92, 24,489.50 and 9,787.94 is: 13,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.92 : 24,489.50 = 9,787.94 : x
  2. Step 2: Convert to fraction form
    17,745.92/24,489.50 = 9,787.94/x
  3. Step 3: Cross multiply
    17,745.92x = 24,489.50 × 9,787.94
  4. Step 4: Simplify right side
    17,745.92x = 239,701,756.63
  5. Step 5: Solve for x
    x = 239,701,756.63/17,745.92
  6. Step 6: Final answer
    x = 13,507.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.