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Finding the Fourth Proportional to 1,795.21, 2,698.01 and 1,670.64

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Solution

The fourth proportional to 1,795.21, 2,698.01 and 1,670.64 is: 2,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.21 : 2,698.01 = 1,670.64 : x
  2. Step 2: Convert to fraction form
    1,795.21/2,698.01 = 1,670.64/x
  3. Step 3: Cross multiply
    1,795.21x = 2,698.01 × 1,670.64
  4. Step 4: Simplify right side
    1,795.21x = 4,507,391.22
  5. Step 5: Solve for x
    x = 4,507,391.22/1,795.21
  6. Step 6: Final answer
    x = 2,510.79

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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.