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Finding the Fourth Proportional to 4,652.76, 6,979.50 and 1,731.09

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Solution

The fourth proportional to 4,652.76, 6,979.50 and 1,731.09 is: 2,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.76 : 6,979.50 = 1,731.09 : x
  2. Step 2: Convert to fraction form
    4,652.76/6,979.50 = 1,731.09/x
  3. Step 3: Cross multiply
    4,652.76x = 6,979.50 × 1,731.09
  4. Step 4: Simplify right side
    4,652.76x = 12,082,168.83
  5. Step 5: Solve for x
    x = 12,082,168.83/4,652.76
  6. Step 6: Final answer
    x = 2,596.77

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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.