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Finding the Fourth Proportional to 1,164.44, 1,606.52 and 745.03

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Solution

The fourth proportional to 1,164.44, 1,606.52 and 745.03 is: 1,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.44 : 1,606.52 = 745.03 : x
  2. Step 2: Convert to fraction form
    1,164.44/1,606.52 = 745.03/x
  3. Step 3: Cross multiply
    1,164.44x = 1,606.52 × 745.03
  4. Step 4: Simplify right side
    1,164.44x = 1,196,905.60
  5. Step 5: Solve for x
    x = 1,196,905.60/1,164.44
  6. Step 6: Final answer
    x = 1,027.88

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Half scale
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Double scale
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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.