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Finding the Fourth Proportional to 5,799.78, 8,699.40 and 2,334.60

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Solution

The fourth proportional to 5,799.78, 8,699.40 and 2,334.60 is: 3,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.78 : 8,699.40 = 2,334.60 : x
  2. Step 2: Convert to fraction form
    5,799.78/8,699.40 = 2,334.60/x
  3. Step 3: Cross multiply
    5,799.78x = 8,699.40 × 2,334.60
  4. Step 4: Simplify right side
    5,799.78x = 20,309,619.24
  5. Step 5: Solve for x
    x = 20,309,619.24/5,799.78
  6. Step 6: Final answer
    x = 3,501.79

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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.