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Finding the Fourth Proportional to 36,809.70, 55,187.55 and 14,612.10

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Solution

The fourth proportional to 36,809.70, 55,187.55 and 14,612.10 is: 21,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,809.70 : 55,187.55 = 14,612.10 : x
  2. Step 2: Convert to fraction form
    36,809.70/55,187.55 = 14,612.10/x
  3. Step 3: Cross multiply
    36,809.70x = 55,187.55 × 14,612.10
  4. Step 4: Simplify right side
    36,809.70x = 806,405,999.36
  5. Step 5: Solve for x
    x = 806,405,999.36/36,809.70
  6. Step 6: Final answer
    x = 21,907.43

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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.