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Finding the Fourth Proportional to 5,288.56, 7,932.92 and 2,000.77

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Solution

The fourth proportional to 5,288.56, 7,932.92 and 2,000.77 is: 3,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.56 : 7,932.92 = 2,000.77 : x
  2. Step 2: Convert to fraction form
    5,288.56/7,932.92 = 2,000.77/x
  3. Step 3: Cross multiply
    5,288.56x = 7,932.92 × 2,000.77
  4. Step 4: Simplify right side
    5,288.56x = 15,871,918.51
  5. Step 5: Solve for x
    x = 15,871,918.51/5,288.56
  6. Step 6: Final answer
    x = 3,001.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.