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Finding the Fourth Proportional to 27,273.60, 37,616.21 and 18,664.88

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Solution

The fourth proportional to 27,273.60, 37,616.21 and 18,664.88 is: 25,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,273.60 : 37,616.21 = 18,664.88 : x
  2. Step 2: Convert to fraction form
    27,273.60/37,616.21 = 18,664.88/x
  3. Step 3: Cross multiply
    27,273.60x = 37,616.21 × 18,664.88
  4. Step 4: Simplify right side
    27,273.60x = 702,101,953.11
  5. Step 5: Solve for x
    x = 702,101,953.11/27,273.60
  6. Step 6: Final answer
    x = 25,742.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.