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Finding the Fourth Proportional to 45,170.56, 67,821.45 and 33,360.76

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Solution

The fourth proportional to 45,170.56, 67,821.45 and 33,360.76 is: 50,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.56 : 67,821.45 = 33,360.76 : x
  2. Step 2: Convert to fraction form
    45,170.56/67,821.45 = 33,360.76/x
  3. Step 3: Cross multiply
    45,170.56x = 67,821.45 × 33,360.76
  4. Step 4: Simplify right side
    45,170.56x = 2,262,575,116.30
  5. Step 5: Solve for x
    x = 2,262,575,116.30/45,170.56
  6. Step 6: Final answer
    x = 50,089.60

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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.