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Finding the Fourth Proportional to 55,481.76, 83,212.11 and 18,041.94

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Solution

The fourth proportional to 55,481.76, 83,212.11 and 18,041.94 is: 27,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.76 : 83,212.11 = 18,041.94 : x
  2. Step 2: Convert to fraction form
    55,481.76/83,212.11 = 18,041.94/x
  3. Step 3: Cross multiply
    55,481.76x = 83,212.11 × 18,041.94
  4. Step 4: Simplify right side
    55,481.76x = 1,501,307,895.89
  5. Step 5: Solve for x
    x = 1,501,307,895.89/55,481.76
  6. Step 6: Final answer
    x = 27,059.49

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1.5x scale

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.