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Finding the Fourth Proportional to 64,850.72, 97,287.60 and 22,153.82

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Solution

The fourth proportional to 64,850.72, 97,287.60 and 22,153.82 is: 33,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.72 : 97,287.60 = 22,153.82 : x
  2. Step 2: Convert to fraction form
    64,850.72/97,287.60 = 22,153.82/x
  3. Step 3: Cross multiply
    64,850.72x = 97,287.60 × 22,153.82
  4. Step 4: Simplify right side
    64,850.72x = 2,155,291,978.63
  5. Step 5: Solve for x
    x = 2,155,291,978.63/64,850.72
  6. Step 6: Final answer
    x = 33,234.67

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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.