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Finding the Fourth Proportional to 1,096.00, 1,512.29 and 1,040.60

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Solution

The fourth proportional to 1,096.00, 1,512.29 and 1,040.60 is: 1,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.00 : 1,512.29 = 1,040.60 : x
  2. Step 2: Convert to fraction form
    1,096.00/1,512.29 = 1,040.60/x
  3. Step 3: Cross multiply
    1,096.00x = 1,512.29 × 1,040.60
  4. Step 4: Simplify right side
    1,096.00x = 1,573,684.01
  5. Step 5: Solve for x
    x = 1,573,684.01/1,096.00
  6. Step 6: Final answer
    x = 1,435.84

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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.