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Finding the Fourth Proportional to 1,765.08, 2,435.72 and 1,019.27

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Solution

The fourth proportional to 1,765.08, 2,435.72 and 1,019.27 is: 1,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.08 : 2,435.72 = 1,019.27 : x
  2. Step 2: Convert to fraction form
    1,765.08/2,435.72 = 1,019.27/x
  3. Step 3: Cross multiply
    1,765.08x = 2,435.72 × 1,019.27
  4. Step 4: Simplify right side
    1,765.08x = 2,482,651.23
  5. Step 5: Solve for x
    x = 2,482,651.23/1,765.08
  6. Step 6: Final answer
    x = 1,406.54

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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.