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Finding the Fourth Proportional to 5,910.88, 8,849.16 and 3,438.16

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Solution

The fourth proportional to 5,910.88, 8,849.16 and 3,438.16 is: 5,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.88 : 8,849.16 = 3,438.16 : x
  2. Step 2: Convert to fraction form
    5,910.88/8,849.16 = 3,438.16/x
  3. Step 3: Cross multiply
    5,910.88x = 8,849.16 × 3,438.16
  4. Step 4: Simplify right side
    5,910.88x = 30,424,827.95
  5. Step 5: Solve for x
    x = 30,424,827.95/5,910.88
  6. Step 6: Final answer
    x = 5,147.26

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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.