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Finding the Fourth Proportional to 3,618.01, 5,427.01 and 1,152.97

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Solution

The fourth proportional to 3,618.01, 5,427.01 and 1,152.97 is: 1,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.01 : 5,427.01 = 1,152.97 : x
  2. Step 2: Convert to fraction form
    3,618.01/5,427.01 = 1,152.97/x
  3. Step 3: Cross multiply
    3,618.01x = 5,427.01 × 1,152.97
  4. Step 4: Simplify right side
    3,618.01x = 6,257,179.72
  5. Step 5: Solve for x
    x = 6,257,179.72/3,618.01
  6. Step 6: Final answer
    x = 1,729.45

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1.5x scale

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.