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Finding the Fourth Proportional to 36,287.01, 54,405 and 14,081.67

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Solution

The fourth proportional to 36,287.01, 54,405 and 14,081.67 is: 21,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.01 : 54,405 = 14,081.67 : x
  2. Step 2: Convert to fraction form
    36,287.01/54,405 = 14,081.67/x
  3. Step 3: Cross multiply
    36,287.01x = 54,405 × 14,081.67
  4. Step 4: Simplify right side
    36,287.01x = 766,113,256.35
  5. Step 5: Solve for x
    x = 766,113,256.35/36,287.01
  6. Step 6: Final answer
    x = 21,112.60

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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.