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Finding the Fourth Proportional to 1,898.52, 2,603.24 and 1,711.26

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Solution

The fourth proportional to 1,898.52, 2,603.24 and 1,711.26 is: 2,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.52 : 2,603.24 = 1,711.26 : x
  2. Step 2: Convert to fraction form
    1,898.52/2,603.24 = 1,711.26/x
  3. Step 3: Cross multiply
    1,898.52x = 2,603.24 × 1,711.26
  4. Step 4: Simplify right side
    1,898.52x = 4,454,811.93
  5. Step 5: Solve for x
    x = 4,454,811.93/1,898.52
  6. Step 6: Final answer
    x = 2,346.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.