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Finding the Fourth Proportional to 2,002.32, 3,003.28 and 703.89

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Solution

The fourth proportional to 2,002.32, 3,003.28 and 703.89 is: 1,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.32 : 3,003.28 = 703.89 : x
  2. Step 2: Convert to fraction form
    2,002.32/3,003.28 = 703.89/x
  3. Step 3: Cross multiply
    2,002.32x = 3,003.28 × 703.89
  4. Step 4: Simplify right side
    2,002.32x = 2,113,977.00
  5. Step 5: Solve for x
    x = 2,113,977.00/2,002.32
  6. Step 6: Final answer
    x = 1,055.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.