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Finding the Fourth Proportional to 43,125.48, 64,687.86 and 16,848.54

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Solution

The fourth proportional to 43,125.48, 64,687.86 and 16,848.54 is: 25,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.48 : 64,687.86 = 16,848.54 : x
  2. Step 2: Convert to fraction form
    43,125.48/64,687.86 = 16,848.54/x
  3. Step 3: Cross multiply
    43,125.48x = 64,687.86 × 16,848.54
  4. Step 4: Simplify right side
    43,125.48x = 1,089,895,996.72
  5. Step 5: Solve for x
    x = 1,089,895,996.72/43,125.48
  6. Step 6: Final answer
    x = 25,272.67

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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.