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Finding the Fourth Proportional to 8,741.56, 13,107.48 and 2,894.98

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Solution

The fourth proportional to 8,741.56, 13,107.48 and 2,894.98 is: 4,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.56 : 13,107.48 = 2,894.98 : x
  2. Step 2: Convert to fraction form
    8,741.56/13,107.48 = 2,894.98/x
  3. Step 3: Cross multiply
    8,741.56x = 13,107.48 × 2,894.98
  4. Step 4: Simplify right side
    8,741.56x = 37,945,892.45
  5. Step 5: Solve for x
    x = 37,945,892.45/8,741.56
  6. Step 6: Final answer
    x = 4,340.86

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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.