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Finding the Fourth Proportional to 8,893.53, 13,340.96 and 2,653.05

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Solution

The fourth proportional to 8,893.53, 13,340.96 and 2,653.05 is: 3,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.53 : 13,340.96 = 2,653.05 : x
  2. Step 2: Convert to fraction form
    8,893.53/13,340.96 = 2,653.05/x
  3. Step 3: Cross multiply
    8,893.53x = 13,340.96 × 2,653.05
  4. Step 4: Simplify right side
    8,893.53x = 35,394,233.93
  5. Step 5: Solve for x
    x = 35,394,233.93/8,893.53
  6. Step 6: Final answer
    x = 3,979.77

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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.