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Finding the Fourth Proportional to 1,179.44, 1,627.28 and 737.36

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Solution

The fourth proportional to 1,179.44, 1,627.28 and 737.36 is: 1,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.44 : 1,627.28 = 737.36 : x
  2. Step 2: Convert to fraction form
    1,179.44/1,627.28 = 737.36/x
  3. Step 3: Cross multiply
    1,179.44x = 1,627.28 × 737.36
  4. Step 4: Simplify right side
    1,179.44x = 1,199,891.18
  5. Step 5: Solve for x
    x = 1,199,891.18/1,179.44
  6. Step 6: Final answer
    x = 1,017.34

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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.