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Finding the Fourth Proportional to 18,537.60, 25,233.60 and 18,537.60

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Solution

The fourth proportional to 18,537.60, 25,233.60 and 18,537.60 is: 25,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.60 : 25,233.60 = 18,537.60 : x
  2. Step 2: Convert to fraction form
    18,537.60/25,233.60 = 18,537.60/x
  3. Step 3: Cross multiply
    18,537.60x = 25,233.60 × 18,537.60
  4. Step 4: Simplify right side
    18,537.60x = 467,770,383.36
  5. Step 5: Solve for x
    x = 467,770,383.36/18,537.60
  6. Step 6: Final answer
    x = 25,233.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.