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Finding the Fourth Proportional to 14,989.72, 22,473.03 and 5,629.54

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Solution

The fourth proportional to 14,989.72, 22,473.03 and 5,629.54 is: 8,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.72 : 22,473.03 = 5,629.54 : x
  2. Step 2: Convert to fraction form
    14,989.72/22,473.03 = 5,629.54/x
  3. Step 3: Cross multiply
    14,989.72x = 22,473.03 × 5,629.54
  4. Step 4: Simplify right side
    14,989.72x = 126,512,821.31
  5. Step 5: Solve for x
    x = 126,512,821.31/14,989.72
  6. Step 6: Final answer
    x = 8,439.97

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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.