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Finding the Fourth Proportional to 6,860.80, 9,469.71 and 4,736.68

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Solution

The fourth proportional to 6,860.80, 9,469.71 and 4,736.68 is: 6,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.80 : 9,469.71 = 4,736.68 : x
  2. Step 2: Convert to fraction form
    6,860.80/9,469.71 = 4,736.68/x
  3. Step 3: Cross multiply
    6,860.80x = 9,469.71 × 4,736.68
  4. Step 4: Simplify right side
    6,860.80x = 44,854,962.29
  5. Step 5: Solve for x
    x = 44,854,962.29/6,860.80
  6. Step 6: Final answer
    x = 6,537.86

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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.