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Finding the Fourth Proportional to 44,499.44, 66,729.72 and 16,778

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Solution

The fourth proportional to 44,499.44, 66,729.72 and 16,778 is: 25,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,499.44 : 66,729.72 = 16,778 : x
  2. Step 2: Convert to fraction form
    44,499.44/66,729.72 = 16,778/x
  3. Step 3: Cross multiply
    44,499.44x = 66,729.72 × 16,778
  4. Step 4: Simplify right side
    44,499.44x = 1,119,591,242.16
  5. Step 5: Solve for x
    x = 1,119,591,242.16/44,499.44
  6. Step 6: Final answer
    x = 25,159.67

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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.