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Finding the Fourth Proportional to 7,750.85, 10,695.94 and 4,393.97

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Solution

The fourth proportional to 7,750.85, 10,695.94 and 4,393.97 is: 6,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.85 : 10,695.94 = 4,393.97 : x
  2. Step 2: Convert to fraction form
    7,750.85/10,695.94 = 4,393.97/x
  3. Step 3: Cross multiply
    7,750.85x = 10,695.94 × 4,393.97
  4. Step 4: Simplify right side
    7,750.85x = 46,997,575.02
  5. Step 5: Solve for x
    x = 46,997,575.02/7,750.85
  6. Step 6: Final answer
    x = 6,063.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.