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Finding the Fourth Proportional to 3,665.07, 5,493.65 and 1,472.67

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Solution

The fourth proportional to 3,665.07, 5,493.65 and 1,472.67 is: 2,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.07 : 5,493.65 = 1,472.67 : x
  2. Step 2: Convert to fraction form
    3,665.07/5,493.65 = 1,472.67/x
  3. Step 3: Cross multiply
    3,665.07x = 5,493.65 × 1,472.67
  4. Step 4: Simplify right side
    3,665.07x = 8,090,326.18
  5. Step 5: Solve for x
    x = 8,090,326.18/3,665.07
  6. Step 6: Final answer
    x = 2,207.41

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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.