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Finding the Fourth Proportional to 4,794.72, 7,192.80 and 1,716

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Solution

The fourth proportional to 4,794.72, 7,192.80 and 1,716 is: 2,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.72 : 7,192.80 = 1,716 : x
  2. Step 2: Convert to fraction form
    4,794.72/7,192.80 = 1,716/x
  3. Step 3: Cross multiply
    4,794.72x = 7,192.80 × 1,716
  4. Step 4: Simplify right side
    4,794.72x = 12,342,844.80
  5. Step 5: Solve for x
    x = 12,342,844.80/4,794.72
  6. Step 6: Final answer
    x = 2,574.26

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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.