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Finding the Fourth Proportional to 36,907.20, 55,344.60 and 14,713.20

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Solution

The fourth proportional to 36,907.20, 55,344.60 and 14,713.20 is: 22,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,907.20 : 55,344.60 = 14,713.20 : x
  2. Step 2: Convert to fraction form
    36,907.20/55,344.60 = 14,713.20/x
  3. Step 3: Cross multiply
    36,907.20x = 55,344.60 × 14,713.20
  4. Step 4: Simplify right side
    36,907.20x = 814,296,168.72
  5. Step 5: Solve for x
    x = 814,296,168.72/36,907.20
  6. Step 6: Final answer
    x = 22,063.34

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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.