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Finding the Fourth Proportional to 54,273.70, 81,410.55 and 38,527.30

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Solution

The fourth proportional to 54,273.70, 81,410.55 and 38,527.30 is: 57,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,273.70 : 81,410.55 = 38,527.30 : x
  2. Step 2: Convert to fraction form
    54,273.70/81,410.55 = 38,527.30/x
  3. Step 3: Cross multiply
    54,273.70x = 81,410.55 × 38,527.30
  4. Step 4: Simplify right side
    54,273.70x = 3,136,528,683.02
  5. Step 5: Solve for x
    x = 3,136,528,683.02/54,273.70
  6. Step 6: Final answer
    x = 57,790.95

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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.