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Finding the Fourth Proportional to 54,501.56, 81,751.53 and 15,057.80

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Solution

The fourth proportional to 54,501.56, 81,751.53 and 15,057.80 is: 22,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.56 : 81,751.53 = 15,057.80 : x
  2. Step 2: Convert to fraction form
    54,501.56/81,751.53 = 15,057.80/x
  3. Step 3: Cross multiply
    54,501.56x = 81,751.53 × 15,057.80
  4. Step 4: Simplify right side
    54,501.56x = 1,230,998,188.43
  5. Step 5: Solve for x
    x = 1,230,998,188.43/54,501.56
  6. Step 6: Final answer
    x = 22,586.48

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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.