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Finding the Fourth Proportional to 2,356, 3,535.44 and 1,382.56

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Solution

The fourth proportional to 2,356, 3,535.44 and 1,382.56 is: 2,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356 : 3,535.44 = 1,382.56 : x
  2. Step 2: Convert to fraction form
    2,356/3,535.44 = 1,382.56/x
  3. Step 3: Cross multiply
    2,356x = 3,535.44 × 1,382.56
  4. Step 4: Simplify right side
    2,356x = 4,887,957.93
  5. Step 5: Solve for x
    x = 4,887,957.93/2,356
  6. Step 6: Final answer
    x = 2,074.69

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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.