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Finding the Fourth Proportional to 4,917.36, 7,373.42 and 1,955.69

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Solution

The fourth proportional to 4,917.36, 7,373.42 and 1,955.69 is: 2,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.36 : 7,373.42 = 1,955.69 : x
  2. Step 2: Convert to fraction form
    4,917.36/7,373.42 = 1,955.69/x
  3. Step 3: Cross multiply
    4,917.36x = 7,373.42 × 1,955.69
  4. Step 4: Simplify right side
    4,917.36x = 14,420,077.11
  5. Step 5: Solve for x
    x = 14,420,077.11/4,917.36
  6. Step 6: Final answer
    x = 2,932.48

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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.