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Finding the Fourth Proportional to 1,598.49, 2,205.99 and 935.37

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Solution

The fourth proportional to 1,598.49, 2,205.99 and 935.37 is: 1,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.49 : 2,205.99 = 935.37 : x
  2. Step 2: Convert to fraction form
    1,598.49/2,205.99 = 935.37/x
  3. Step 3: Cross multiply
    1,598.49x = 2,205.99 × 935.37
  4. Step 4: Simplify right side
    1,598.49x = 2,063,416.87
  5. Step 5: Solve for x
    x = 2,063,416.87/1,598.49
  6. Step 6: Final answer
    x = 1,290.85

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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.