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Finding the Fourth Proportional to 5,012.50, 6,917.26 and 2,804.50

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Solution

The fourth proportional to 5,012.50, 6,917.26 and 2,804.50 is: 3,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.50 : 6,917.26 = 2,804.50 : x
  2. Step 2: Convert to fraction form
    5,012.50/6,917.26 = 2,804.50/x
  3. Step 3: Cross multiply
    5,012.50x = 6,917.26 × 2,804.50
  4. Step 4: Simplify right side
    5,012.50x = 19,399,455.67
  5. Step 5: Solve for x
    x = 19,399,455.67/5,012.50
  6. Step 6: Final answer
    x = 3,870.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.