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Finding the Fourth Proportional to 3,644.48, 5,466.71 and 1,047.41

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Solution

The fourth proportional to 3,644.48, 5,466.71 and 1,047.41 is: 1,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.48 : 5,466.71 = 1,047.41 : x
  2. Step 2: Convert to fraction form
    3,644.48/5,466.71 = 1,047.41/x
  3. Step 3: Cross multiply
    3,644.48x = 5,466.71 × 1,047.41
  4. Step 4: Simplify right side
    3,644.48x = 5,725,903.01
  5. Step 5: Solve for x
    x = 5,725,903.01/3,644.48
  6. Step 6: Final answer
    x = 1,571.12

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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.