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Finding the Fourth Proportional to 17,745.60, 24,489.45 and 9,787.44

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Solution

The fourth proportional to 17,745.60, 24,489.45 and 9,787.44 is: 13,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.60 : 24,489.45 = 9,787.44 : x
  2. Step 2: Convert to fraction form
    17,745.60/24,489.45 = 9,787.44/x
  3. Step 3: Cross multiply
    17,745.60x = 24,489.45 × 9,787.44
  4. Step 4: Simplify right side
    17,745.60x = 239,689,022.51
  5. Step 5: Solve for x
    x = 239,689,022.51/17,745.60
  6. Step 6: Final answer
    x = 13,506.96

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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.