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Finding the Fourth Proportional to 2,917.94, 4,024.70 and 1,798.52

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Solution

The fourth proportional to 2,917.94, 4,024.70 and 1,798.52 is: 2,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.94 : 4,024.70 = 1,798.52 : x
  2. Step 2: Convert to fraction form
    2,917.94/4,024.70 = 1,798.52/x
  3. Step 3: Cross multiply
    2,917.94x = 4,024.70 × 1,798.52
  4. Step 4: Simplify right side
    2,917.94x = 7,238,474.33
  5. Step 5: Solve for x
    x = 7,238,474.33/2,917.94
  6. Step 6: Final answer
    x = 2,480.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.