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Finding the Fourth Proportional to 18,572.72, 25,625.93 and 10,506.56

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Solution

The fourth proportional to 18,572.72, 25,625.93 and 10,506.56 is: 14,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.72 : 25,625.93 = 10,506.56 : x
  2. Step 2: Convert to fraction form
    18,572.72/25,625.93 = 10,506.56/x
  3. Step 3: Cross multiply
    18,572.72x = 25,625.93 × 10,506.56
  4. Step 4: Simplify right side
    18,572.72x = 269,240,190.44
  5. Step 5: Solve for x
    x = 269,240,190.44/18,572.72
  6. Step 6: Final answer
    x = 14,496.54

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1.5x scale

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.