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Finding the Fourth Proportional to 55,049.94, 82,574.91 and 45,282.42

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Solution

The fourth proportional to 55,049.94, 82,574.91 and 45,282.42 is: 67,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.94 : 82,574.91 = 45,282.42 : x
  2. Step 2: Convert to fraction form
    55,049.94/82,574.91 = 45,282.42/x
  3. Step 3: Cross multiply
    55,049.94x = 82,574.91 × 45,282.42
  4. Step 4: Simplify right side
    55,049.94x = 3,739,191,756.08
  5. Step 5: Solve for x
    x = 3,739,191,756.08/55,049.94
  6. Step 6: Final answer
    x = 67,923.63

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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.