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Finding the Fourth Proportional to 4,580.75, 6,866.51 and 1,805.90

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Solution

The fourth proportional to 4,580.75, 6,866.51 and 1,805.90 is: 2,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.75 : 6,866.51 = 1,805.90 : x
  2. Step 2: Convert to fraction form
    4,580.75/6,866.51 = 1,805.90/x
  3. Step 3: Cross multiply
    4,580.75x = 6,866.51 × 1,805.90
  4. Step 4: Simplify right side
    4,580.75x = 12,400,187.05
  5. Step 5: Solve for x
    x = 12,400,187.05/4,580.75
  6. Step 6: Final answer
    x = 2,707.02

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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.