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Finding the Fourth Proportional to 1,890.54, 2,609.01 and 1,104.57

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Solution

The fourth proportional to 1,890.54, 2,609.01 and 1,104.57 is: 1,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.54 : 2,609.01 = 1,104.57 : x
  2. Step 2: Convert to fraction form
    1,890.54/2,609.01 = 1,104.57/x
  3. Step 3: Cross multiply
    1,890.54x = 2,609.01 × 1,104.57
  4. Step 4: Simplify right side
    1,890.54x = 2,881,834.18
  5. Step 5: Solve for x
    x = 2,881,834.18/1,890.54
  6. Step 6: Final answer
    x = 1,524.34

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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.