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Finding the Fourth Proportional to 2,104.76, 2,903.82 and 1,264.80

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Solution

The fourth proportional to 2,104.76, 2,903.82 and 1,264.80 is: 1,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.76 : 2,903.82 = 1,264.80 : x
  2. Step 2: Convert to fraction form
    2,104.76/2,903.82 = 1,264.80/x
  3. Step 3: Cross multiply
    2,104.76x = 2,903.82 × 1,264.80
  4. Step 4: Simplify right side
    2,104.76x = 3,672,751.54
  5. Step 5: Solve for x
    x = 3,672,751.54/2,104.76
  6. Step 6: Final answer
    x = 1,744.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.