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Finding the Fourth Proportional to 4,671.12, 7,010.76 and 1,899.30

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Solution

The fourth proportional to 4,671.12, 7,010.76 and 1,899.30 is: 2,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.12 : 7,010.76 = 1,899.30 : x
  2. Step 2: Convert to fraction form
    4,671.12/7,010.76 = 1,899.30/x
  3. Step 3: Cross multiply
    4,671.12x = 7,010.76 × 1,899.30
  4. Step 4: Simplify right side
    4,671.12x = 13,315,536.47
  5. Step 5: Solve for x
    x = 13,315,536.47/4,671.12
  6. Step 6: Final answer
    x = 2,850.61

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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.