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Finding the Fourth Proportional to 84,570.66, 126,861.96 and 33,969.72

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Solution

The fourth proportional to 84,570.66, 126,861.96 and 33,969.72 is: 50,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570.66 : 126,861.96 = 33,969.72 : x
  2. Step 2: Convert to fraction form
    84,570.66/126,861.96 = 33,969.72/x
  3. Step 3: Cross multiply
    84,570.66x = 126,861.96 × 33,969.72
  4. Step 4: Simplify right side
    84,570.66x = 4,309,465,259.85
  5. Step 5: Solve for x
    x = 4,309,465,259.85/84,570.66
  6. Step 6: Final answer
    x = 50,956.98

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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.