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Finding the Fourth Proportional to 1,674.70, 2,309.94 and 1,010.41

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Solution

The fourth proportional to 1,674.70, 2,309.94 and 1,010.41 is: 1,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.70 : 2,309.94 = 1,010.41 : x
  2. Step 2: Convert to fraction form
    1,674.70/2,309.94 = 1,010.41/x
  3. Step 3: Cross multiply
    1,674.70x = 2,309.94 × 1,010.41
  4. Step 4: Simplify right side
    1,674.70x = 2,333,980.70
  5. Step 5: Solve for x
    x = 2,333,980.70/1,674.70
  6. Step 6: Final answer
    x = 1,393.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.