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Finding the Fourth Proportional to 2,297.42, 3,170.72 and 1,365.92

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Solution

The fourth proportional to 2,297.42, 3,170.72 and 1,365.92 is: 1,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.42 : 3,170.72 = 1,365.92 : x
  2. Step 2: Convert to fraction form
    2,297.42/3,170.72 = 1,365.92/x
  3. Step 3: Cross multiply
    2,297.42x = 3,170.72 × 1,365.92
  4. Step 4: Simplify right side
    2,297.42x = 4,330,949.86
  5. Step 5: Solve for x
    x = 4,330,949.86/2,297.42
  6. Step 6: Final answer
    x = 1,885.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.