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Finding the Fourth Proportional to 5,806.71, 8,013.20 and 3,448.89

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Solution

The fourth proportional to 5,806.71, 8,013.20 and 3,448.89 is: 4,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.71 : 8,013.20 = 3,448.89 : x
  2. Step 2: Convert to fraction form
    5,806.71/8,013.20 = 3,448.89/x
  3. Step 3: Cross multiply
    5,806.71x = 8,013.20 × 3,448.89
  4. Step 4: Simplify right side
    5,806.71x = 27,636,628.10
  5. Step 5: Solve for x
    x = 27,636,628.10/5,806.71
  6. Step 6: Final answer
    x = 4,759.43

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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.