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Finding the Fourth Proportional to 1,102.16, 1,653.26 and 896.22

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Solution

The fourth proportional to 1,102.16, 1,653.26 and 896.22 is: 1,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.16 : 1,653.26 = 896.22 : x
  2. Step 2: Convert to fraction form
    1,102.16/1,653.26 = 896.22/x
  3. Step 3: Cross multiply
    1,102.16x = 1,653.26 × 896.22
  4. Step 4: Simplify right side
    1,102.16x = 1,481,684.68
  5. Step 5: Solve for x
    x = 1,481,684.68/1,102.16
  6. Step 6: Final answer
    x = 1,344.35

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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.