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Finding the Fourth Proportional to 1,167.26, 1,749.06 and 733.50

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Solution

The fourth proportional to 1,167.26, 1,749.06 and 733.50 is: 1,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.26 : 1,749.06 = 733.50 : x
  2. Step 2: Convert to fraction form
    1,167.26/1,749.06 = 733.50/x
  3. Step 3: Cross multiply
    1,167.26x = 1,749.06 × 733.50
  4. Step 4: Simplify right side
    1,167.26x = 1,282,935.51
  5. Step 5: Solve for x
    x = 1,282,935.51/1,167.26
  6. Step 6: Final answer
    x = 1,099.10

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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.