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Finding the Fourth Proportional to 5,267.77, 7,895.98 and 2,800.11

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Solution

The fourth proportional to 5,267.77, 7,895.98 and 2,800.11 is: 4,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.77 : 7,895.98 = 2,800.11 : x
  2. Step 2: Convert to fraction form
    5,267.77/7,895.98 = 2,800.11/x
  3. Step 3: Cross multiply
    5,267.77x = 7,895.98 × 2,800.11
  4. Step 4: Simplify right side
    5,267.77x = 22,109,612.56
  5. Step 5: Solve for x
    x = 22,109,612.56/5,267.77
  6. Step 6: Final answer
    x = 4,197.15

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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.