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Finding the Fourth Proportional to 5,979.24, 8,251.62 and 3,461.49

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Solution

The fourth proportional to 5,979.24, 8,251.62 and 3,461.49 is: 4,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.24 : 8,251.62 = 3,461.49 : x
  2. Step 2: Convert to fraction form
    5,979.24/8,251.62 = 3,461.49/x
  3. Step 3: Cross multiply
    5,979.24x = 8,251.62 × 3,461.49
  4. Step 4: Simplify right side
    5,979.24x = 28,562,900.11
  5. Step 5: Solve for x
    x = 28,562,900.11/5,979.24
  6. Step 6: Final answer
    x = 4,777.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.