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Finding the Fourth Proportional to 27,713.12, 41,570.42 and 9,945.09

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Solution

The fourth proportional to 27,713.12, 41,570.42 and 9,945.09 is: 14,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.12 : 41,570.42 = 9,945.09 : x
  2. Step 2: Convert to fraction form
    27,713.12/41,570.42 = 9,945.09/x
  3. Step 3: Cross multiply
    27,713.12x = 41,570.42 × 9,945.09
  4. Step 4: Simplify right side
    27,713.12x = 413,421,518.51
  5. Step 5: Solve for x
    x = 413,421,518.51/27,713.12
  6. Step 6: Final answer
    x = 14,917.90

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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.