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Finding the Fourth Proportional to 36,763.92, 55,145.88 and 13,392.12

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Solution

The fourth proportional to 36,763.92, 55,145.88 and 13,392.12 is: 20,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,763.92 : 55,145.88 = 13,392.12 : x
  2. Step 2: Convert to fraction form
    36,763.92/55,145.88 = 13,392.12/x
  3. Step 3: Cross multiply
    36,763.92x = 55,145.88 × 13,392.12
  4. Step 4: Simplify right side
    36,763.92x = 738,520,242.47
  5. Step 5: Solve for x
    x = 738,520,242.47/36,763.92
  6. Step 6: Final answer
    x = 20,088.18

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Similar ratio
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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.