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Finding the Fourth Proportional to 27,381.74, 41,072.60 and 10,749.60

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Solution

The fourth proportional to 27,381.74, 41,072.60 and 10,749.60 is: 16,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.74 : 41,072.60 = 10,749.60 : x
  2. Step 2: Convert to fraction form
    27,381.74/41,072.60 = 10,749.60/x
  3. Step 3: Cross multiply
    27,381.74x = 41,072.60 × 10,749.60
  4. Step 4: Simplify right side
    27,381.74x = 441,514,047.83
  5. Step 5: Solve for x
    x = 441,514,047.83/27,381.74
  6. Step 6: Final answer
    x = 16,124.40

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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.