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Finding the Fourth Proportional to 18,792.81, 25,932.56 and 10,834.56

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Solution

The fourth proportional to 18,792.81, 25,932.56 and 10,834.56 is: 14,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.81 : 25,932.56 = 10,834.56 : x
  2. Step 2: Convert to fraction form
    18,792.81/25,932.56 = 10,834.56/x
  3. Step 3: Cross multiply
    18,792.81x = 25,932.56 × 10,834.56
  4. Step 4: Simplify right side
    18,792.81x = 280,967,823.10
  5. Step 5: Solve for x
    x = 280,967,823.10/18,792.81
  6. Step 6: Final answer
    x = 14,950.81

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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.