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Finding the Fourth Proportional to 4,579.44, 6,870.18 and 1,946.82

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Solution

The fourth proportional to 4,579.44, 6,870.18 and 1,946.82 is: 2,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.44 : 6,870.18 = 1,946.82 : x
  2. Step 2: Convert to fraction form
    4,579.44/6,870.18 = 1,946.82/x
  3. Step 3: Cross multiply
    4,579.44x = 6,870.18 × 1,946.82
  4. Step 4: Simplify right side
    4,579.44x = 13,375,003.83
  5. Step 5: Solve for x
    x = 13,375,003.83/4,579.44
  6. Step 6: Final answer
    x = 2,920.66

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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.