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Finding the Fourth Proportional to 1,599.09, 2,398.73 and 625.11

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Solution

The fourth proportional to 1,599.09, 2,398.73 and 625.11 is: 937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.09 : 2,398.73 = 625.11 : x
  2. Step 2: Convert to fraction form
    1,599.09/2,398.73 = 625.11/x
  3. Step 3: Cross multiply
    1,599.09x = 2,398.73 × 625.11
  4. Step 4: Simplify right side
    1,599.09x = 1,499,466.98
  5. Step 5: Solve for x
    x = 1,499,466.98/1,599.09
  6. Step 6: Final answer
    x = 937.70

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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.