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Finding the Fourth Proportional to 61,996.45, 85,556.86 and 37,798.81

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Solution

The fourth proportional to 61,996.45, 85,556.86 and 37,798.81 is: 52,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.45 : 85,556.86 = 37,798.81 : x
  2. Step 2: Convert to fraction form
    61,996.45/85,556.86 = 37,798.81/x
  3. Step 3: Cross multiply
    61,996.45x = 85,556.86 × 37,798.81
  4. Step 4: Simplify right side
    61,996.45x = 3,233,947,495.34
  5. Step 5: Solve for x
    x = 3,233,947,495.34/61,996.45
  6. Step 6: Final answer
    x = 52,163.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.