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Finding the Fourth Proportional to 2,883.74, 4,326.14 and 935.69

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Solution

The fourth proportional to 2,883.74, 4,326.14 and 935.69 is: 1,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.74 : 4,326.14 = 935.69 : x
  2. Step 2: Convert to fraction form
    2,883.74/4,326.14 = 935.69/x
  3. Step 3: Cross multiply
    2,883.74x = 4,326.14 × 935.69
  4. Step 4: Simplify right side
    2,883.74x = 4,047,906.65
  5. Step 5: Solve for x
    x = 4,047,906.65/2,883.74
  6. Step 6: Final answer
    x = 1,403.70

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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.