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Finding the Fourth Proportional to 5,376.77, 8,062.01 and 2,086.01

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Solution

The fourth proportional to 5,376.77, 8,062.01 and 2,086.01 is: 3,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.77 : 8,062.01 = 2,086.01 : x
  2. Step 2: Convert to fraction form
    5,376.77/8,062.01 = 2,086.01/x
  3. Step 3: Cross multiply
    5,376.77x = 8,062.01 × 2,086.01
  4. Step 4: Simplify right side
    5,376.77x = 16,817,423.05
  5. Step 5: Solve for x
    x = 16,817,423.05/5,376.77
  6. Step 6: Final answer
    x = 3,127.80

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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.