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Finding the Fourth Proportional to 4,917.94, 7,371.65 and 2,805.01

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Solution

The fourth proportional to 4,917.94, 7,371.65 and 2,805.01 is: 4,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.94 : 7,371.65 = 2,805.01 : x
  2. Step 2: Convert to fraction form
    4,917.94/7,371.65 = 2,805.01/x
  3. Step 3: Cross multiply
    4,917.94x = 7,371.65 × 2,805.01
  4. Step 4: Simplify right side
    4,917.94x = 20,677,554.17
  5. Step 5: Solve for x
    x = 20,677,554.17/4,917.94
  6. Step 6: Final answer
    x = 4,204.52

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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.