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Finding the Fourth Proportional to 5,917.77, 8,870.72 and 2,019.51

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Solution

The fourth proportional to 5,917.77, 8,870.72 and 2,019.51 is: 3,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.77 : 8,870.72 = 2,019.51 : x
  2. Step 2: Convert to fraction form
    5,917.77/8,870.72 = 2,019.51/x
  3. Step 3: Cross multiply
    5,917.77x = 8,870.72 × 2,019.51
  4. Step 4: Simplify right side
    5,917.77x = 17,914,497.65
  5. Step 5: Solve for x
    x = 17,914,497.65/5,917.77
  6. Step 6: Final answer
    x = 3,027.24

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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.