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Finding the Fourth Proportional to 45,160.13, 67,764.33 and 33,990.03

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Solution

The fourth proportional to 45,160.13, 67,764.33 and 33,990.03 is: 51,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.13 : 67,764.33 = 33,990.03 : x
  2. Step 2: Convert to fraction form
    45,160.13/67,764.33 = 33,990.03/x
  3. Step 3: Cross multiply
    45,160.13x = 67,764.33 × 33,990.03
  4. Step 4: Simplify right side
    45,160.13x = 2,303,311,609.63
  5. Step 5: Solve for x
    x = 2,303,311,609.63/45,160.13
  6. Step 6: Final answer
    x = 51,003.21

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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.