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Finding the Fourth Proportional to 18,792.87, 25,933.87 and 10,294.92

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Solution

The fourth proportional to 18,792.87, 25,933.87 and 10,294.92 is: 14,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.87 : 25,933.87 = 10,294.92 : x
  2. Step 2: Convert to fraction form
    18,792.87/25,933.87 = 10,294.92/x
  3. Step 3: Cross multiply
    18,792.87x = 25,933.87 × 10,294.92
  4. Step 4: Simplify right side
    18,792.87x = 266,987,091.20
  5. Step 5: Solve for x
    x = 266,987,091.20/18,792.87
  6. Step 6: Final answer
    x = 14,206.83

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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.