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Finding the Fourth Proportional to 1,701.81, 2,348.43 and 993.67

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Solution

The fourth proportional to 1,701.81, 2,348.43 and 993.67 is: 1,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.81 : 2,348.43 = 993.67 : x
  2. Step 2: Convert to fraction form
    1,701.81/2,348.43 = 993.67/x
  3. Step 3: Cross multiply
    1,701.81x = 2,348.43 × 993.67
  4. Step 4: Simplify right side
    1,701.81x = 2,333,554.84
  5. Step 5: Solve for x
    x = 2,333,554.84/1,701.81
  6. Step 6: Final answer
    x = 1,371.22

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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.