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Finding the Fourth Proportional to 60,756.36, 83,841.80 and 33,159.96

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Solution

The fourth proportional to 60,756.36, 83,841.80 and 33,159.96 is: 45,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,756.36 : 83,841.80 = 33,159.96 : x
  2. Step 2: Convert to fraction form
    60,756.36/83,841.80 = 33,159.96/x
  3. Step 3: Cross multiply
    60,756.36x = 83,841.80 × 33,159.96
  4. Step 4: Simplify right side
    60,756.36x = 2,780,190,734.33
  5. Step 5: Solve for x
    x = 2,780,190,734.33/60,756.36
  6. Step 6: Final answer
    x = 45,759.67

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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.