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Finding the Fourth Proportional to 6,368.37, 8,787.33 and 4,013.70

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Solution

The fourth proportional to 6,368.37, 8,787.33 and 4,013.70 is: 5,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.37 : 8,787.33 = 4,013.70 : x
  2. Step 2: Convert to fraction form
    6,368.37/8,787.33 = 4,013.70/x
  3. Step 3: Cross multiply
    6,368.37x = 8,787.33 × 4,013.70
  4. Step 4: Simplify right side
    6,368.37x = 35,269,706.42
  5. Step 5: Solve for x
    x = 35,269,706.42/6,368.37
  6. Step 6: Final answer
    x = 5,538.26

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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.