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Finding the Fourth Proportional to 2,310.99, 3,465.10 and 903.73

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Solution

The fourth proportional to 2,310.99, 3,465.10 and 903.73 is: 1,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.99 : 3,465.10 = 903.73 : x
  2. Step 2: Convert to fraction form
    2,310.99/3,465.10 = 903.73/x
  3. Step 3: Cross multiply
    2,310.99x = 3,465.10 × 903.73
  4. Step 4: Simplify right side
    2,310.99x = 3,131,524.70
  5. Step 5: Solve for x
    x = 3,131,524.70/2,310.99
  6. Step 6: Final answer
    x = 1,355.06

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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.