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Finding the Fourth Proportional to 5,979.88, 8,969.45 and 2,230.93

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Solution

The fourth proportional to 5,979.88, 8,969.45 and 2,230.93 is: 3,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.88 : 8,969.45 = 2,230.93 : x
  2. Step 2: Convert to fraction form
    5,979.88/8,969.45 = 2,230.93/x
  3. Step 3: Cross multiply
    5,979.88x = 8,969.45 × 2,230.93
  4. Step 4: Simplify right side
    5,979.88x = 20,010,177.24
  5. Step 5: Solve for x
    x = 20,010,177.24/5,979.88
  6. Step 6: Final answer
    x = 3,346.25

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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.