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Finding the Fourth Proportional to 5,787.49, 8,672.13 and 4,474.45

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Solution

The fourth proportional to 5,787.49, 8,672.13 and 4,474.45 is: 6,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.49 : 8,672.13 = 4,474.45 : x
  2. Step 2: Convert to fraction form
    5,787.49/8,672.13 = 4,474.45/x
  3. Step 3: Cross multiply
    5,787.49x = 8,672.13 × 4,474.45
  4. Step 4: Simplify right side
    5,787.49x = 38,803,012.08
  5. Step 5: Solve for x
    x = 38,803,012.08/5,787.49
  6. Step 6: Final answer
    x = 6,704.64

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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.