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Finding the Fourth Proportional to 2,760.86, 3,809.95 and 1,501.89

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Solution

The fourth proportional to 2,760.86, 3,809.95 and 1,501.89 is: 2,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.86 : 3,809.95 = 1,501.89 : x
  2. Step 2: Convert to fraction form
    2,760.86/3,809.95 = 1,501.89/x
  3. Step 3: Cross multiply
    2,760.86x = 3,809.95 × 1,501.89
  4. Step 4: Simplify right side
    2,760.86x = 5,722,125.81
  5. Step 5: Solve for x
    x = 5,722,125.81/2,760.86
  6. Step 6: Final answer
    x = 2,072.59

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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.