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Finding the Fourth Proportional to 1,613.66, 2,227.33 and 950.73

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Solution

The fourth proportional to 1,613.66, 2,227.33 and 950.73 is: 1,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.66 : 2,227.33 = 950.73 : x
  2. Step 2: Convert to fraction form
    1,613.66/2,227.33 = 950.73/x
  3. Step 3: Cross multiply
    1,613.66x = 2,227.33 × 950.73
  4. Step 4: Simplify right side
    1,613.66x = 2,117,586.46
  5. Step 5: Solve for x
    x = 2,117,586.46/1,613.66
  6. Step 6: Final answer
    x = 1,312.29

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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.