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Finding the Fourth Proportional to 1,847.31, 2,770.93 and 750.92

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Solution

The fourth proportional to 1,847.31, 2,770.93 and 750.92 is: 1,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.31 : 2,770.93 = 750.92 : x
  2. Step 2: Convert to fraction form
    1,847.31/2,770.93 = 750.92/x
  3. Step 3: Cross multiply
    1,847.31x = 2,770.93 × 750.92
  4. Step 4: Simplify right side
    1,847.31x = 2,080,746.76
  5. Step 5: Solve for x
    x = 2,080,746.76/1,847.31
  6. Step 6: Final answer
    x = 1,126.37

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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.