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Finding the Fourth Proportional to 4,671.00, 7,014.43 and 3,120.96

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Solution

The fourth proportional to 4,671.00, 7,014.43 and 3,120.96 is: 4,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.00 : 7,014.43 = 3,120.96 : x
  2. Step 2: Convert to fraction form
    4,671.00/7,014.43 = 3,120.96/x
  3. Step 3: Cross multiply
    4,671.00x = 7,014.43 × 3,120.96
  4. Step 4: Simplify right side
    4,671.00x = 21,891,759.35
  5. Step 5: Solve for x
    x = 21,891,759.35/4,671.00
  6. Step 6: Final answer
    x = 4,686.74

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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.