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Finding the Fourth Proportional to 5,799.36, 8,679.60 and 4,759.32

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Solution

The fourth proportional to 5,799.36, 8,679.60 and 4,759.32 is: 7,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.36 : 8,679.60 = 4,759.32 : x
  2. Step 2: Convert to fraction form
    5,799.36/8,679.60 = 4,759.32/x
  3. Step 3: Cross multiply
    5,799.36x = 8,679.60 × 4,759.32
  4. Step 4: Simplify right side
    5,799.36x = 41,308,993.87
  5. Step 5: Solve for x
    x = 41,308,993.87/5,799.36
  6. Step 6: Final answer
    x = 7,123.03

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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.