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Finding the Fourth Proportional to 54,191.56, 81,243.58 and 49,817.56

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Solution

The fourth proportional to 54,191.56, 81,243.58 and 49,817.56 is: 74,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191.56 : 81,243.58 = 49,817.56 : x
  2. Step 2: Convert to fraction form
    54,191.56/81,243.58 = 49,817.56/x
  3. Step 3: Cross multiply
    54,191.56x = 81,243.58 × 49,817.56
  4. Step 4: Simplify right side
    54,191.56x = 4,047,356,921.26
  5. Step 5: Solve for x
    x = 4,047,356,921.26/54,191.56
  6. Step 6: Final answer
    x = 74,686.11

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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.