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Finding the Fourth Proportional to 8,893.72, 13,340.94 and 3,346.48

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Solution

The fourth proportional to 8,893.72, 13,340.94 and 3,346.48 is: 5,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.72 : 13,340.94 = 3,346.48 : x
  2. Step 2: Convert to fraction form
    8,893.72/13,340.94 = 3,346.48/x
  3. Step 3: Cross multiply
    8,893.72x = 13,340.94 × 3,346.48
  4. Step 4: Simplify right side
    8,893.72x = 44,645,188.89
  5. Step 5: Solve for x
    x = 44,645,188.89/8,893.72
  6. Step 6: Final answer
    x = 5,019.86

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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.