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Finding the Fourth Proportional to 1,153.49, 1,730.96 and 537.26

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Solution

The fourth proportional to 1,153.49, 1,730.96 and 537.26 is: 806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.49 : 1,730.96 = 537.26 : x
  2. Step 2: Convert to fraction form
    1,153.49/1,730.96 = 537.26/x
  3. Step 3: Cross multiply
    1,153.49x = 1,730.96 × 537.26
  4. Step 4: Simplify right side
    1,153.49x = 929,975.57
  5. Step 5: Solve for x
    x = 929,975.57/1,153.49
  6. Step 6: Final answer
    x = 806.23

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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.