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Finding the Fourth Proportional to 4,787.71, 7,182.47 and 2,323.69

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Solution

The fourth proportional to 4,787.71, 7,182.47 and 2,323.69 is: 3,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.71 : 7,182.47 = 2,323.69 : x
  2. Step 2: Convert to fraction form
    4,787.71/7,182.47 = 2,323.69/x
  3. Step 3: Cross multiply
    4,787.71x = 7,182.47 × 2,323.69
  4. Step 4: Simplify right side
    4,787.71x = 16,689,821.57
  5. Step 5: Solve for x
    x = 16,689,821.57/4,787.71
  6. Step 6: Final answer
    x = 3,485.97

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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.