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Finding the Fourth Proportional to 27,101.71, 40,622.91 and 13,954.87

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Solution

The fourth proportional to 27,101.71, 40,622.91 and 13,954.87 is: 20,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.71 : 40,622.91 = 13,954.87 : x
  2. Step 2: Convert to fraction form
    27,101.71/40,622.91 = 13,954.87/x
  3. Step 3: Cross multiply
    27,101.71x = 40,622.91 × 13,954.87
  4. Step 4: Simplify right side
    27,101.71x = 566,887,428.07
  5. Step 5: Solve for x
    x = 566,887,428.07/27,101.71
  6. Step 6: Final answer
    x = 20,917.04

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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.