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Finding the Fourth Proportional to 44,755.56, 67,272.84 and 28,221.84

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Solution

The fourth proportional to 44,755.56, 67,272.84 and 28,221.84 is: 42,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,755.56 : 67,272.84 = 28,221.84 : x
  2. Step 2: Convert to fraction form
    44,755.56/67,272.84 = 28,221.84/x
  3. Step 3: Cross multiply
    44,755.56x = 67,272.84 × 28,221.84
  4. Step 4: Simplify right side
    44,755.56x = 1,898,563,326.83
  5. Step 5: Solve for x
    x = 1,898,563,326.83/44,755.56
  6. Step 6: Final answer
    x = 42,420.73

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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.