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Finding the Fourth Proportional to 3,354.96, 4,629.32 and 1,862.85

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Solution

The fourth proportional to 3,354.96, 4,629.32 and 1,862.85 is: 2,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.96 : 4,629.32 = 1,862.85 : x
  2. Step 2: Convert to fraction form
    3,354.96/4,629.32 = 1,862.85/x
  3. Step 3: Cross multiply
    3,354.96x = 4,629.32 × 1,862.85
  4. Step 4: Simplify right side
    3,354.96x = 8,623,719.45
  5. Step 5: Solve for x
    x = 8,623,719.45/3,354.96
  6. Step 6: Final answer
    x = 2,570.44

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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.