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Finding the Fourth Proportional to 2,347.49, 3,521.73 and 704.05

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Solution

The fourth proportional to 2,347.49, 3,521.73 and 704.05 is: 1,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.49 : 3,521.73 = 704.05 : x
  2. Step 2: Convert to fraction form
    2,347.49/3,521.73 = 704.05/x
  3. Step 3: Cross multiply
    2,347.49x = 3,521.73 × 704.05
  4. Step 4: Simplify right side
    2,347.49x = 2,479,474.01
  5. Step 5: Solve for x
    x = 2,479,474.01/2,347.49
  6. Step 6: Final answer
    x = 1,056.22

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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.