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Finding the Fourth Proportional to 4,289.52, 6,436.08 and 1,824.87

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Solution

The fourth proportional to 4,289.52, 6,436.08 and 1,824.87 is: 2,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.52 : 6,436.08 = 1,824.87 : x
  2. Step 2: Convert to fraction form
    4,289.52/6,436.08 = 1,824.87/x
  3. Step 3: Cross multiply
    4,289.52x = 6,436.08 × 1,824.87
  4. Step 4: Simplify right side
    4,289.52x = 11,745,009.31
  5. Step 5: Solve for x
    x = 11,745,009.31/4,289.52
  6. Step 6: Final answer
    x = 2,738.07

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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.