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Finding the Fourth Proportional to 3,267.59, 4,509.38 and 1,870.79

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Solution

The fourth proportional to 3,267.59, 4,509.38 and 1,870.79 is: 2,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.59 : 4,509.38 = 1,870.79 : x
  2. Step 2: Convert to fraction form
    3,267.59/4,509.38 = 1,870.79/x
  3. Step 3: Cross multiply
    3,267.59x = 4,509.38 × 1,870.79
  4. Step 4: Simplify right side
    3,267.59x = 8,436,093.66
  5. Step 5: Solve for x
    x = 8,436,093.66/3,267.59
  6. Step 6: Final answer
    x = 2,581.75

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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.