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Finding the Fourth Proportional to 2,933.67, 4,401.14 and 985.82

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Solution

The fourth proportional to 2,933.67, 4,401.14 and 985.82 is: 1,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.67 : 4,401.14 = 985.82 : x
  2. Step 2: Convert to fraction form
    2,933.67/4,401.14 = 985.82/x
  3. Step 3: Cross multiply
    2,933.67x = 4,401.14 × 985.82
  4. Step 4: Simplify right side
    2,933.67x = 4,338,704.90
  5. Step 5: Solve for x
    x = 4,338,704.90/2,933.67
  6. Step 6: Final answer
    x = 1,478.94

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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.