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Finding the Fourth Proportional to 18,608.48, 27,917.27 and 9,252.90

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Solution

The fourth proportional to 18,608.48, 27,917.27 and 9,252.90 is: 13,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.48 : 27,917.27 = 9,252.90 : x
  2. Step 2: Convert to fraction form
    18,608.48/27,917.27 = 9,252.90/x
  3. Step 3: Cross multiply
    18,608.48x = 27,917.27 × 9,252.90
  4. Step 4: Simplify right side
    18,608.48x = 258,315,800.71
  5. Step 5: Solve for x
    x = 258,315,800.71/18,608.48
  6. Step 6: Final answer
    x = 13,881.62

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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.