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Finding the Fourth Proportional to 43,262.34, 64,865.61 and 16,969.74

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Solution

The fourth proportional to 43,262.34, 64,865.61 and 16,969.74 is: 25,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.34 : 64,865.61 = 16,969.74 : x
  2. Step 2: Convert to fraction form
    43,262.34/64,865.61 = 16,969.74/x
  3. Step 3: Cross multiply
    43,262.34x = 64,865.61 × 16,969.74
  4. Step 4: Simplify right side
    43,262.34x = 1,100,752,536.64
  5. Step 5: Solve for x
    x = 1,100,752,536.64/43,262.34
  6. Step 6: Final answer
    x = 25,443.67

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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.