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Finding the Fourth Proportional to 36,794.76, 55,200.37 and 13,421.20

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Solution

The fourth proportional to 36,794.76, 55,200.37 and 13,421.20 is: 20,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,794.76 : 55,200.37 = 13,421.20 : x
  2. Step 2: Convert to fraction form
    36,794.76/55,200.37 = 13,421.20/x
  3. Step 3: Cross multiply
    36,794.76x = 55,200.37 × 13,421.20
  4. Step 4: Simplify right side
    36,794.76x = 740,855,034.29
  5. Step 5: Solve for x
    x = 740,855,034.29/36,794.76
  6. Step 6: Final answer
    x = 20,134.80

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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.