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Finding the Fourth Proportional to 1,200.06, 1,655.37 and 733.50

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Solution

The fourth proportional to 1,200.06, 1,655.37 and 733.50 is: 1,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200.06 : 1,655.37 = 733.50 : x
  2. Step 2: Convert to fraction form
    1,200.06/1,655.37 = 733.50/x
  3. Step 3: Cross multiply
    1,200.06x = 1,655.37 × 733.50
  4. Step 4: Simplify right side
    1,200.06x = 1,214,213.90
  5. Step 5: Solve for x
    x = 1,214,213.90/1,200.06
  6. Step 6: Final answer
    x = 1,011.79

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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.