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Finding the Fourth Proportional to 1,749.51, 2,624.97 and 1,721.87

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Solution

The fourth proportional to 1,749.51, 2,624.97 and 1,721.87 is: 2,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.51 : 2,624.97 = 1,721.87 : x
  2. Step 2: Convert to fraction form
    1,749.51/2,624.97 = 1,721.87/x
  3. Step 3: Cross multiply
    1,749.51x = 2,624.97 × 1,721.87
  4. Step 4: Simplify right side
    1,749.51x = 4,519,857.09
  5. Step 5: Solve for x
    x = 4,519,857.09/1,749.51
  6. Step 6: Final answer
    x = 2,583.50

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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.