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Finding the Fourth Proportional to 2,326.67, 3,485.93 and 1,939.16

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Solution

The fourth proportional to 2,326.67, 3,485.93 and 1,939.16 is: 2,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.67 : 3,485.93 = 1,939.16 : x
  2. Step 2: Convert to fraction form
    2,326.67/3,485.93 = 1,939.16/x
  3. Step 3: Cross multiply
    2,326.67x = 3,485.93 × 1,939.16
  4. Step 4: Simplify right side
    2,326.67x = 6,759,748.89
  5. Step 5: Solve for x
    x = 6,759,748.89/2,326.67
  6. Step 6: Final answer
    x = 2,905.34

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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.