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Finding the Fourth Proportional to 5,986.14, 8,966.97 and 4,879.50

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Solution

The fourth proportional to 5,986.14, 8,966.97 and 4,879.50 is: 7,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.14 : 8,966.97 = 4,879.50 : x
  2. Step 2: Convert to fraction form
    5,986.14/8,966.97 = 4,879.50/x
  3. Step 3: Cross multiply
    5,986.14x = 8,966.97 × 4,879.50
  4. Step 4: Simplify right side
    5,986.14x = 43,754,330.12
  5. Step 5: Solve for x
    x = 43,754,330.12/5,986.14
  6. Step 6: Final answer
    x = 7,309.27

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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.