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Finding the Fourth Proportional to 36,472.32, 54,662.40 and 36,080.64

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Solution

The fourth proportional to 36,472.32, 54,662.40 and 36,080.64 is: 54,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.32 : 54,662.40 = 36,080.64 : x
  2. Step 2: Convert to fraction form
    36,472.32/54,662.40 = 36,080.64/x
  3. Step 3: Cross multiply
    36,472.32x = 54,662.40 × 36,080.64
  4. Step 4: Simplify right side
    36,472.32x = 1,972,254,375.94
  5. Step 5: Solve for x
    x = 1,972,254,375.94/36,472.32
  6. Step 6: Final answer
    x = 54,075.37

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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.