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Finding the Fourth Proportional to 1,896.48, 2,842.01 and 740.88

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Solution

The fourth proportional to 1,896.48, 2,842.01 and 740.88 is: 1,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.48 : 2,842.01 = 740.88 : x
  2. Step 2: Convert to fraction form
    1,896.48/2,842.01 = 740.88/x
  3. Step 3: Cross multiply
    1,896.48x = 2,842.01 × 740.88
  4. Step 4: Simplify right side
    1,896.48x = 2,105,588.37
  5. Step 5: Solve for x
    x = 2,105,588.37/1,896.48
  6. Step 6: Final answer
    x = 1,110.26

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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.