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Finding the Fourth Proportional to 54,835.80, 82,255.04 and 43,598.92

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Solution

The fourth proportional to 54,835.80, 82,255.04 and 43,598.92 is: 65,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,835.80 : 82,255.04 = 43,598.92 : x
  2. Step 2: Convert to fraction form
    54,835.80/82,255.04 = 43,598.92/x
  3. Step 3: Cross multiply
    54,835.80x = 82,255.04 × 43,598.92
  4. Step 4: Simplify right side
    54,835.80x = 3,586,230,908.56
  5. Step 5: Solve for x
    x = 3,586,230,908.56/54,835.80
  6. Step 6: Final answer
    x = 65,399.45

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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.