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Finding the Fourth Proportional to 60,140.80, 82,999.68 and 33,289.60

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Solution

The fourth proportional to 60,140.80, 82,999.68 and 33,289.60 is: 45,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,140.80 : 82,999.68 = 33,289.60 : x
  2. Step 2: Convert to fraction form
    60,140.80/82,999.68 = 33,289.60/x
  3. Step 3: Cross multiply
    60,140.80x = 82,999.68 × 33,289.60
  4. Step 4: Simplify right side
    60,140.80x = 2,763,026,147.33
  5. Step 5: Solve for x
    x = 2,763,026,147.33/60,140.80
  6. Step 6: Final answer
    x = 45,942.62

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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.