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Finding the Fourth Proportional to 5,808.48, 8,714.16 and 1,912.92

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Solution

The fourth proportional to 5,808.48, 8,714.16 and 1,912.92 is: 2,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.48 : 8,714.16 = 1,912.92 : x
  2. Step 2: Convert to fraction form
    5,808.48/8,714.16 = 1,912.92/x
  3. Step 3: Cross multiply
    5,808.48x = 8,714.16 × 1,912.92
  4. Step 4: Simplify right side
    5,808.48x = 16,669,490.95
  5. Step 5: Solve for x
    x = 16,669,490.95/5,808.48
  6. Step 6: Final answer
    x = 2,869.85

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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.