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Finding the Fourth Proportional to 27,381.52, 41,055.90 and 13,313.86

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Solution

The fourth proportional to 27,381.52, 41,055.90 and 13,313.86 is: 19,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.52 : 41,055.90 = 13,313.86 : x
  2. Step 2: Convert to fraction form
    27,381.52/41,055.90 = 13,313.86/x
  3. Step 3: Cross multiply
    27,381.52x = 41,055.90 × 13,313.86
  4. Step 4: Simplify right side
    27,381.52x = 546,612,504.77
  5. Step 5: Solve for x
    x = 546,612,504.77/27,381.52
  6. Step 6: Final answer
    x = 19,962.83

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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.