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Finding the Fourth Proportional to 5,269.77, 7,898.98 and 2,802.11

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Solution

The fourth proportional to 5,269.77, 7,898.98 and 2,802.11 is: 4,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.77 : 7,898.98 = 2,802.11 : x
  2. Step 2: Convert to fraction form
    5,269.77/7,898.98 = 2,802.11/x
  3. Step 3: Cross multiply
    5,269.77x = 7,898.98 × 2,802.11
  4. Step 4: Simplify right side
    5,269.77x = 22,133,810.85
  5. Step 5: Solve for x
    x = 22,133,810.85/5,269.77
  6. Step 6: Final answer
    x = 4,200.15

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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.