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Finding the Fourth Proportional to 27,750.60, 41,601.60 and 16,661.70

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Solution

The fourth proportional to 27,750.60, 41,601.60 and 16,661.70 is: 24,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.60 : 41,601.60 = 16,661.70 : x
  2. Step 2: Convert to fraction form
    27,750.60/41,601.60 = 16,661.70/x
  3. Step 3: Cross multiply
    27,750.60x = 41,601.60 × 16,661.70
  4. Step 4: Simplify right side
    27,750.60x = 693,153,378.72
  5. Step 5: Solve for x
    x = 693,153,378.72/27,750.60
  6. Step 6: Final answer
    x = 24,977.96

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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.