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Finding the Fourth Proportional to 5,701.91, 8,552.81 and 1,806.32

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Solution

The fourth proportional to 5,701.91, 8,552.81 and 1,806.32 is: 2,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701.91 : 8,552.81 = 1,806.32 : x
  2. Step 2: Convert to fraction form
    5,701.91/8,552.81 = 1,806.32/x
  3. Step 3: Cross multiply
    5,701.91x = 8,552.81 × 1,806.32
  4. Step 4: Simplify right side
    5,701.91x = 15,449,059.96
  5. Step 5: Solve for x
    x = 15,449,059.96/5,701.91
  6. Step 6: Final answer
    x = 2,709.45

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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.