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Finding the Fourth Proportional to 1,254.96, 1,729.08 and 1,096.38

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Solution

The fourth proportional to 1,254.96, 1,729.08 and 1,096.38 is: 1,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.96 : 1,729.08 = 1,096.38 : x
  2. Step 2: Convert to fraction form
    1,254.96/1,729.08 = 1,096.38/x
  3. Step 3: Cross multiply
    1,254.96x = 1,729.08 × 1,096.38
  4. Step 4: Simplify right side
    1,254.96x = 1,895,728.73
  5. Step 5: Solve for x
    x = 1,895,728.73/1,254.96
  6. Step 6: Final answer
    x = 1,510.59

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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.