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Finding the Fourth Proportional to 1,704.60, 2,351.73 and 1,041.21

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Solution

The fourth proportional to 1,704.60, 2,351.73 and 1,041.21 is: 1,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.60 : 2,351.73 = 1,041.21 : x
  2. Step 2: Convert to fraction form
    1,704.60/2,351.73 = 1,041.21/x
  3. Step 3: Cross multiply
    1,704.60x = 2,351.73 × 1,041.21
  4. Step 4: Simplify right side
    1,704.60x = 2,448,644.79
  5. Step 5: Solve for x
    x = 2,448,644.79/1,704.60
  6. Step 6: Final answer
    x = 1,436.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.