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Finding the Fourth Proportional to 4,982.22, 7,474.49 and 1,695.30

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Solution

The fourth proportional to 4,982.22, 7,474.49 and 1,695.30 is: 2,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.22 : 7,474.49 = 1,695.30 : x
  2. Step 2: Convert to fraction form
    4,982.22/7,474.49 = 1,695.30/x
  3. Step 3: Cross multiply
    4,982.22x = 7,474.49 × 1,695.30
  4. Step 4: Simplify right side
    4,982.22x = 12,671,538.20
  5. Step 5: Solve for x
    x = 12,671,538.20/4,982.22
  6. Step 6: Final answer
    x = 2,543.35

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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.