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Finding the Fourth Proportional to 6,281.25, 8,667.97 and 3,448.68

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Solution

The fourth proportional to 6,281.25, 8,667.97 and 3,448.68 is: 4,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.25 : 8,667.97 = 3,448.68 : x
  2. Step 2: Convert to fraction form
    6,281.25/8,667.97 = 3,448.68/x
  3. Step 3: Cross multiply
    6,281.25x = 8,667.97 × 3,448.68
  4. Step 4: Simplify right side
    6,281.25x = 29,893,054.78
  5. Step 5: Solve for x
    x = 29,893,054.78/6,281.25
  6. Step 6: Final answer
    x = 4,759.09

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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.