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Finding the Fourth Proportional to 54,245.56, 74,795.10 and 43,481.80

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Solution

The fourth proportional to 54,245.56, 74,795.10 and 43,481.80 is: 59,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.56 : 74,795.10 = 43,481.80 : x
  2. Step 2: Convert to fraction form
    54,245.56/74,795.10 = 43,481.80/x
  3. Step 3: Cross multiply
    54,245.56x = 74,795.10 × 43,481.80
  4. Step 4: Simplify right side
    54,245.56x = 3,252,225,579.18
  5. Step 5: Solve for x
    x = 3,252,225,579.18/54,245.56
  6. Step 6: Final answer
    x = 59,953.77

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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.