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Finding the Fourth Proportional to 3,459.98, 5,181.69 and 1,897.58

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Solution

The fourth proportional to 3,459.98, 5,181.69 and 1,897.58 is: 2,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.98 : 5,181.69 = 1,897.58 : x
  2. Step 2: Convert to fraction form
    3,459.98/5,181.69 = 1,897.58/x
  3. Step 3: Cross multiply
    3,459.98x = 5,181.69 × 1,897.58
  4. Step 4: Simplify right side
    3,459.98x = 9,832,671.31
  5. Step 5: Solve for x
    x = 9,832,671.31/3,459.98
  6. Step 6: Final answer
    x = 2,841.83

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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.