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Finding the Fourth Proportional to 1,704.03, 2,553.58 and 972.09

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Solution

The fourth proportional to 1,704.03, 2,553.58 and 972.09 is: 1,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.03 : 2,553.58 = 972.09 : x
  2. Step 2: Convert to fraction form
    1,704.03/2,553.58 = 972.09/x
  3. Step 3: Cross multiply
    1,704.03x = 2,553.58 × 972.09
  4. Step 4: Simplify right side
    1,704.03x = 2,482,309.58
  5. Step 5: Solve for x
    x = 2,482,309.58/1,704.03
  6. Step 6: Final answer
    x = 1,456.73

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1.5x scale

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.