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Finding the Fourth Proportional to 3,065.97, 4,600.80 and 1,217.97

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Solution

The fourth proportional to 3,065.97, 4,600.80 and 1,217.97 is: 1,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.97 : 4,600.80 = 1,217.97 : x
  2. Step 2: Convert to fraction form
    3,065.97/4,600.80 = 1,217.97/x
  3. Step 3: Cross multiply
    3,065.97x = 4,600.80 × 1,217.97
  4. Step 4: Simplify right side
    3,065.97x = 5,603,636.38
  5. Step 5: Solve for x
    x = 5,603,636.38/3,065.97
  6. Step 6: Final answer
    x = 1,827.69

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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.