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Finding the Fourth Proportional to 3,722.52, 5,579.10 and 1,770.24

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Solution

The fourth proportional to 3,722.52, 5,579.10 and 1,770.24 is: 2,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.52 : 5,579.10 = 1,770.24 : x
  2. Step 2: Convert to fraction form
    3,722.52/5,579.10 = 1,770.24/x
  3. Step 3: Cross multiply
    3,722.52x = 5,579.10 × 1,770.24
  4. Step 4: Simplify right side
    3,722.52x = 9,876,345.98
  5. Step 5: Solve for x
    x = 9,876,345.98/3,722.52
  6. Step 6: Final answer
    x = 2,653.13

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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.