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Finding the Fourth Proportional to 73,426.32, 110,139.84 and 18,022.32

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Solution

The fourth proportional to 73,426.32, 110,139.84 and 18,022.32 is: 27,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,426.32 : 110,139.84 = 18,022.32 : x
  2. Step 2: Convert to fraction form
    73,426.32/110,139.84 = 18,022.32/x
  3. Step 3: Cross multiply
    73,426.32x = 110,139.84 × 18,022.32
  4. Step 4: Simplify right side
    73,426.32x = 1,984,975,441.23
  5. Step 5: Solve for x
    x = 1,984,975,441.23/73,426.32
  6. Step 6: Final answer
    x = 27,033.57

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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.