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Finding the Fourth Proportional to 27,604.60, 41,309.70 and 19,245.40

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Solution

The fourth proportional to 27,604.60, 41,309.70 and 19,245.40 is: 28,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.60 : 41,309.70 = 19,245.40 : x
  2. Step 2: Convert to fraction form
    27,604.60/41,309.70 = 19,245.40/x
  3. Step 3: Cross multiply
    27,604.60x = 41,309.70 × 19,245.40
  4. Step 4: Simplify right side
    27,604.60x = 795,021,700.38
  5. Step 5: Solve for x
    x = 795,021,700.38/27,604.60
  6. Step 6: Final answer
    x = 28,800.33

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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.