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Finding the Fourth Proportional to 18,503.34, 25,537.30 and 10,546.34

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Solution

The fourth proportional to 18,503.34, 25,537.30 and 10,546.34 is: 14,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.34 : 25,537.30 = 10,546.34 : x
  2. Step 2: Convert to fraction form
    18,503.34/25,537.30 = 10,546.34/x
  3. Step 3: Cross multiply
    18,503.34x = 25,537.30 × 10,546.34
  4. Step 4: Simplify right side
    18,503.34x = 269,325,048.48
  5. Step 5: Solve for x
    x = 269,325,048.48/18,503.34
  6. Step 6: Final answer
    x = 14,555.48

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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.