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Finding the Fourth Proportional to 1,612.67, 2,225.67 and 950.09

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Solution

The fourth proportional to 1,612.67, 2,225.67 and 950.09 is: 1,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.67 : 2,225.67 = 950.09 : x
  2. Step 2: Convert to fraction form
    1,612.67/2,225.67 = 950.09/x
  3. Step 3: Cross multiply
    1,612.67x = 2,225.67 × 950.09
  4. Step 4: Simplify right side
    1,612.67x = 2,114,586.81
  5. Step 5: Solve for x
    x = 2,114,586.81/1,612.67
  6. Step 6: Final answer
    x = 1,311.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.