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Finding the Fourth Proportional to 6,859.98, 10,293.72 and 2,910.63

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Solution

The fourth proportional to 6,859.98, 10,293.72 and 2,910.63 is: 4,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.98 : 10,293.72 = 2,910.63 : x
  2. Step 2: Convert to fraction form
    6,859.98/10,293.72 = 2,910.63/x
  3. Step 3: Cross multiply
    6,859.98x = 10,293.72 × 2,910.63
  4. Step 4: Simplify right side
    6,859.98x = 29,961,210.24
  5. Step 5: Solve for x
    x = 29,961,210.24/6,859.98
  6. Step 6: Final answer
    x = 4,367.54

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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.