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Finding the Fourth Proportional to 8,842.94, 13,244.81 and 5,135.97

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Solution

The fourth proportional to 8,842.94, 13,244.81 and 5,135.97 is: 7,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.94 : 13,244.81 = 5,135.97 : x
  2. Step 2: Convert to fraction form
    8,842.94/13,244.81 = 5,135.97/x
  3. Step 3: Cross multiply
    8,842.94x = 13,244.81 × 5,135.97
  4. Step 4: Simplify right side
    8,842.94x = 68,024,921.14
  5. Step 5: Solve for x
    x = 68,024,921.14/8,842.94
  6. Step 6: Final answer
    x = 7,692.57

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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.