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Finding the Fourth Proportional to 4,718.84, 7,078.50 and 1,797.38

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Solution

The fourth proportional to 4,718.84, 7,078.50 and 1,797.38 is: 2,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.84 : 7,078.50 = 1,797.38 : x
  2. Step 2: Convert to fraction form
    4,718.84/7,078.50 = 1,797.38/x
  3. Step 3: Cross multiply
    4,718.84x = 7,078.50 × 1,797.38
  4. Step 4: Simplify right side
    4,718.84x = 12,722,754.33
  5. Step 5: Solve for x
    x = 12,722,754.33/4,718.84
  6. Step 6: Final answer
    x = 2,696.16

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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.