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Finding the Fourth Proportional to 8,974.53, 13,463.94 and 4,521.25

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Solution

The fourth proportional to 8,974.53, 13,463.94 and 4,521.25 is: 6,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.53 : 13,463.94 = 4,521.25 : x
  2. Step 2: Convert to fraction form
    8,974.53/13,463.94 = 4,521.25/x
  3. Step 3: Cross multiply
    8,974.53x = 13,463.94 × 4,521.25
  4. Step 4: Simplify right side
    8,974.53x = 60,873,872.51
  5. Step 5: Solve for x
    x = 60,873,872.51/8,974.53
  6. Step 6: Final answer
    x = 6,782.96

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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.