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Finding the Fourth Proportional to 27,794.51, 41,681.13 and 13,749.71

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Solution

The fourth proportional to 27,794.51, 41,681.13 and 13,749.71 is: 20,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.51 : 41,681.13 = 13,749.71 : x
  2. Step 2: Convert to fraction form
    27,794.51/41,681.13 = 13,749.71/x
  3. Step 3: Cross multiply
    27,794.51x = 41,681.13 × 13,749.71
  4. Step 4: Simplify right side
    27,794.51x = 573,103,449.97
  5. Step 5: Solve for x
    x = 573,103,449.97/27,794.51
  6. Step 6: Final answer
    x = 20,619.30

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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.