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Finding the Fourth Proportional to 1,133.77, 1,702.03 and 1,076.36

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Solution

The fourth proportional to 1,133.77, 1,702.03 and 1,076.36 is: 1,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.77 : 1,702.03 = 1,076.36 : x
  2. Step 2: Convert to fraction form
    1,133.77/1,702.03 = 1,076.36/x
  3. Step 3: Cross multiply
    1,133.77x = 1,702.03 × 1,076.36
  4. Step 4: Simplify right side
    1,133.77x = 1,831,997.01
  5. Step 5: Solve for x
    x = 1,831,997.01/1,133.77
  6. Step 6: Final answer
    x = 1,615.85

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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.