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Finding the Fourth Proportional to 1,795.97, 2,693.74 and 479.82

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Solution

The fourth proportional to 1,795.97, 2,693.74 and 479.82 is: 719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.97 : 2,693.74 = 479.82 : x
  2. Step 2: Convert to fraction form
    1,795.97/2,693.74 = 479.82/x
  3. Step 3: Cross multiply
    1,795.97x = 2,693.74 × 479.82
  4. Step 4: Simplify right side
    1,795.97x = 1,292,510.33
  5. Step 5: Solve for x
    x = 1,292,510.33/1,795.97
  6. Step 6: Final answer
    x = 719.67

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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.