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Finding the Fourth Proportional to 1,496.26, 2,065.29 and 866.94

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Solution

The fourth proportional to 1,496.26, 2,065.29 and 866.94 is: 1,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.26 : 2,065.29 = 866.94 : x
  2. Step 2: Convert to fraction form
    1,496.26/2,065.29 = 866.94/x
  3. Step 3: Cross multiply
    1,496.26x = 2,065.29 × 866.94
  4. Step 4: Simplify right side
    1,496.26x = 1,790,488.01
  5. Step 5: Solve for x
    x = 1,790,488.01/1,496.26
  6. Step 6: Final answer
    x = 1,196.64

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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.