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Finding the Fourth Proportional to 18,694.66, 25,792.25 and 10,627.50

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Solution

The fourth proportional to 18,694.66, 25,792.25 and 10,627.50 is: 14,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.66 : 25,792.25 = 10,627.50 : x
  2. Step 2: Convert to fraction form
    18,694.66/25,792.25 = 10,627.50/x
  3. Step 3: Cross multiply
    18,694.66x = 25,792.25 × 10,627.50
  4. Step 4: Simplify right side
    18,694.66x = 274,107,083.74
  5. Step 5: Solve for x
    x = 274,107,083.74/18,694.66
  6. Step 6: Final answer
    x = 14,662.32

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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.