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Finding the Fourth Proportional to 45,197.77, 67,797 and 18,556.70

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Solution

The fourth proportional to 45,197.77, 67,797 and 18,556.70 is: 27,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,197.77 : 67,797 = 18,556.70 : x
  2. Step 2: Convert to fraction form
    45,197.77/67,797 = 18,556.70/x
  3. Step 3: Cross multiply
    45,197.77x = 67,797 × 18,556.70
  4. Step 4: Simplify right side
    45,197.77x = 1,258,088,250.92
  5. Step 5: Solve for x
    x = 1,258,088,250.92/45,197.77
  6. Step 6: Final answer
    x = 27,835.18

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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.