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Finding the Fourth Proportional to 2,231.84, 3,347.48 and 588.51

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Solution

The fourth proportional to 2,231.84, 3,347.48 and 588.51 is: 882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.84 : 3,347.48 = 588.51 : x
  2. Step 2: Convert to fraction form
    2,231.84/3,347.48 = 588.51/x
  3. Step 3: Cross multiply
    2,231.84x = 3,347.48 × 588.51
  4. Step 4: Simplify right side
    2,231.84x = 1,970,022.51
  5. Step 5: Solve for x
    x = 1,970,022.51/2,231.84
  6. Step 6: Final answer
    x = 882.69

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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.