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Finding the Fourth Proportional to 3,534.03, 5,303.07 and 1,890.54

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Solution

The fourth proportional to 3,534.03, 5,303.07 and 1,890.54 is: 2,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.03 : 5,303.07 = 1,890.54 : x
  2. Step 2: Convert to fraction form
    3,534.03/5,303.07 = 1,890.54/x
  3. Step 3: Cross multiply
    3,534.03x = 5,303.07 × 1,890.54
  4. Step 4: Simplify right side
    3,534.03x = 10,025,665.96
  5. Step 5: Solve for x
    x = 10,025,665.96/3,534.03
  6. Step 6: Final answer
    x = 2,836.89

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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.