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Finding the Fourth Proportional to 44,855.40, 67,258.80 and 18,530.40

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Solution

The fourth proportional to 44,855.40, 67,258.80 and 18,530.40 is: 27,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,855.40 : 67,258.80 = 18,530.40 : x
  2. Step 2: Convert to fraction form
    44,855.40/67,258.80 = 18,530.40/x
  3. Step 3: Cross multiply
    44,855.40x = 67,258.80 × 18,530.40
  4. Step 4: Simplify right side
    44,855.40x = 1,246,332,467.52
  5. Step 5: Solve for x
    x = 1,246,332,467.52/44,855.40
  6. Step 6: Final answer
    x = 27,785.56

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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.