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Finding the Fourth Proportional to 2,532.12, 3,798.45 and 800.34

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Solution

The fourth proportional to 2,532.12, 3,798.45 and 800.34 is: 1,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,532.12 : 3,798.45 = 800.34 : x
  2. Step 2: Convert to fraction form
    2,532.12/3,798.45 = 800.34/x
  3. Step 3: Cross multiply
    2,532.12x = 3,798.45 × 800.34
  4. Step 4: Simplify right side
    2,532.12x = 3,040,051.47
  5. Step 5: Solve for x
    x = 3,040,051.47/2,532.12
  6. Step 6: Final answer
    x = 1,200.60

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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.