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Finding the Fourth Proportional to 1,671.96, 2,504.00 and 1,325.49

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Solution

The fourth proportional to 1,671.96, 2,504.00 and 1,325.49 is: 1,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.96 : 2,504.00 = 1,325.49 : x
  2. Step 2: Convert to fraction form
    1,671.96/2,504.00 = 1,325.49/x
  3. Step 3: Cross multiply
    1,671.96x = 2,504.00 × 1,325.49
  4. Step 4: Simplify right side
    1,671.96x = 3,319,017.39
  5. Step 5: Solve for x
    x = 3,319,017.39/1,671.96
  6. Step 6: Final answer
    x = 1,985.11

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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.