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Finding the Fourth Proportional to 3,653.72, 5,472.06 and 2,829.34

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Solution

The fourth proportional to 3,653.72, 5,472.06 and 2,829.34 is: 4,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.72 : 5,472.06 = 2,829.34 : x
  2. Step 2: Convert to fraction form
    3,653.72/5,472.06 = 2,829.34/x
  3. Step 3: Cross multiply
    3,653.72x = 5,472.06 × 2,829.34
  4. Step 4: Simplify right side
    3,653.72x = 15,482,318.24
  5. Step 5: Solve for x
    x = 15,482,318.24/3,653.72
  6. Step 6: Final answer
    x = 4,237.41

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1.5x scale

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.