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Finding the Fourth Proportional to 2,607.99, 3,910.02 and 964.23

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Solution

The fourth proportional to 2,607.99, 3,910.02 and 964.23 is: 1,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.99 : 3,910.02 = 964.23 : x
  2. Step 2: Convert to fraction form
    2,607.99/3,910.02 = 964.23/x
  3. Step 3: Cross multiply
    2,607.99x = 3,910.02 × 964.23
  4. Step 4: Simplify right side
    2,607.99x = 3,770,158.58
  5. Step 5: Solve for x
    x = 3,770,158.58/2,607.99
  6. Step 6: Final answer
    x = 1,445.62

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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.