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Finding the Fourth Proportional to 1,764.90, 2,647.37 and 532.33

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Solution

The fourth proportional to 1,764.90, 2,647.37 and 532.33 is: 798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.90 : 2,647.37 = 532.33 : x
  2. Step 2: Convert to fraction form
    1,764.90/2,647.37 = 532.33/x
  3. Step 3: Cross multiply
    1,764.90x = 2,647.37 × 532.33
  4. Step 4: Simplify right side
    1,764.90x = 1,409,274.47
  5. Step 5: Solve for x
    x = 1,409,274.47/1,764.90
  6. Step 6: Final answer
    x = 798.50

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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.