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Finding the Fourth Proportional to 5,806.56, 8,710.47 and 1,856.44

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Solution

The fourth proportional to 5,806.56, 8,710.47 and 1,856.44 is: 2,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.56 : 8,710.47 = 1,856.44 : x
  2. Step 2: Convert to fraction form
    5,806.56/8,710.47 = 1,856.44/x
  3. Step 3: Cross multiply
    5,806.56x = 8,710.47 × 1,856.44
  4. Step 4: Simplify right side
    5,806.56x = 16,170,464.93
  5. Step 5: Solve for x
    x = 16,170,464.93/5,806.56
  6. Step 6: Final answer
    x = 2,784.86

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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.