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Finding the Fourth Proportional to 7,591.98, 11,391.21 and 3,695.34

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Solution

The fourth proportional to 7,591.98, 11,391.21 and 3,695.34 is: 5,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.98 : 11,391.21 = 3,695.34 : x
  2. Step 2: Convert to fraction form
    7,591.98/11,391.21 = 3,695.34/x
  3. Step 3: Cross multiply
    7,591.98x = 11,391.21 × 3,695.34
  4. Step 4: Simplify right side
    7,591.98x = 42,094,393.96
  5. Step 5: Solve for x
    x = 42,094,393.96/7,591.98
  6. Step 6: Final answer
    x = 5,544.59

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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.