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Finding the Fourth Proportional to 36,699.30, 55,048.95 and 36,480.60

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Solution

The fourth proportional to 36,699.30, 55,048.95 and 36,480.60 is: 54,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.30 : 55,048.95 = 36,480.60 : x
  2. Step 2: Convert to fraction form
    36,699.30/55,048.95 = 36,480.60/x
  3. Step 3: Cross multiply
    36,699.30x = 55,048.95 × 36,480.60
  4. Step 4: Simplify right side
    36,699.30x = 2,008,218,725.37
  5. Step 5: Solve for x
    x = 2,008,218,725.37/36,699.30
  6. Step 6: Final answer
    x = 54,720.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.