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Finding the Fourth Proportional to 27,231.40, 36,645.75 and 27,231.40

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Solution

The fourth proportional to 27,231.40, 36,645.75 and 27,231.40 is: 36,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.40 : 36,645.75 = 27,231.40 : x
  2. Step 2: Convert to fraction form
    27,231.40/36,645.75 = 27,231.40/x
  3. Step 3: Cross multiply
    27,231.40x = 36,645.75 × 27,231.40
  4. Step 4: Simplify right side
    27,231.40x = 997,915,076.55
  5. Step 5: Solve for x
    x = 997,915,076.55/27,231.40
  6. Step 6: Final answer
    x = 36,645.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.