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Finding the Fourth Proportional to 4,501.89, 6,753.65 and 1,905.03

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Solution

The fourth proportional to 4,501.89, 6,753.65 and 1,905.03 is: 2,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501.89 : 6,753.65 = 1,905.03 : x
  2. Step 2: Convert to fraction form
    4,501.89/6,753.65 = 1,905.03/x
  3. Step 3: Cross multiply
    4,501.89x = 6,753.65 × 1,905.03
  4. Step 4: Simplify right side
    4,501.89x = 12,865,896.33
  5. Step 5: Solve for x
    x = 12,865,896.33/4,501.89
  6. Step 6: Final answer
    x = 2,857.89

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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.