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Finding the Fourth Proportional to 1,896.03, 2,842.65 and 958.35

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Solution

The fourth proportional to 1,896.03, 2,842.65 and 958.35 is: 1,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.03 : 2,842.65 = 958.35 : x
  2. Step 2: Convert to fraction form
    1,896.03/2,842.65 = 958.35/x
  3. Step 3: Cross multiply
    1,896.03x = 2,842.65 × 958.35
  4. Step 4: Simplify right side
    1,896.03x = 2,724,253.63
  5. Step 5: Solve for x
    x = 2,724,253.63/1,896.03
  6. Step 6: Final answer
    x = 1,436.82

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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.