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Finding the Fourth Proportional to 4,461.33, 6,691.05 and 2,815.68

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Solution

The fourth proportional to 4,461.33, 6,691.05 and 2,815.68 is: 4,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.33 : 6,691.05 = 2,815.68 : x
  2. Step 2: Convert to fraction form
    4,461.33/6,691.05 = 2,815.68/x
  3. Step 3: Cross multiply
    4,461.33x = 6,691.05 × 2,815.68
  4. Step 4: Simplify right side
    4,461.33x = 18,839,855.66
  5. Step 5: Solve for x
    x = 18,839,855.66/4,461.33
  6. Step 6: Final answer
    x = 4,222.92

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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.