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Finding the Fourth Proportional to 3,703.79, 5,551.81 and 1,753.67

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Solution

The fourth proportional to 3,703.79, 5,551.81 and 1,753.67 is: 2,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.79 : 5,551.81 = 1,753.67 : x
  2. Step 2: Convert to fraction form
    3,703.79/5,551.81 = 1,753.67/x
  3. Step 3: Cross multiply
    3,703.79x = 5,551.81 × 1,753.67
  4. Step 4: Simplify right side
    3,703.79x = 9,736,042.64
  5. Step 5: Solve for x
    x = 9,736,042.64/3,703.79
  6. Step 6: Final answer
    x = 2,628.67

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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.