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Finding the Fourth Proportional to 5,979.80, 8,952.16 and 4,194.67

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Solution

The fourth proportional to 5,979.80, 8,952.16 and 4,194.67 is: 6,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.80 : 8,952.16 = 4,194.67 : x
  2. Step 2: Convert to fraction form
    5,979.80/8,952.16 = 4,194.67/x
  3. Step 3: Cross multiply
    5,979.80x = 8,952.16 × 4,194.67
  4. Step 4: Simplify right side
    5,979.80x = 37,551,356.99
  5. Step 5: Solve for x
    x = 37,551,356.99/5,979.80
  6. Step 6: Final answer
    x = 6,279.70

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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.