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Finding the Fourth Proportional to 36,289.92, 50,073.60 and 21,945.60

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Solution

The fourth proportional to 36,289.92, 50,073.60 and 21,945.60 is: 30,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.92 : 50,073.60 = 21,945.60 : x
  2. Step 2: Convert to fraction form
    36,289.92/50,073.60 = 21,945.60/x
  3. Step 3: Cross multiply
    36,289.92x = 50,073.60 × 21,945.60
  4. Step 4: Simplify right side
    36,289.92x = 1,098,895,196.16
  5. Step 5: Solve for x
    x = 1,098,895,196.16/36,289.92
  6. Step 6: Final answer
    x = 30,281.00

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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.