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Finding the Fourth Proportional to 3,104.02, 4,656.06 and 764.02

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Solution

The fourth proportional to 3,104.02, 4,656.06 and 764.02 is: 1,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.02 : 4,656.06 = 764.02 : x
  2. Step 2: Convert to fraction form
    3,104.02/4,656.06 = 764.02/x
  3. Step 3: Cross multiply
    3,104.02x = 4,656.06 × 764.02
  4. Step 4: Simplify right side
    3,104.02x = 3,557,322.96
  5. Step 5: Solve for x
    x = 3,557,322.96/3,104.02
  6. Step 6: Final answer
    x = 1,146.04

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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.