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Finding the Fourth Proportional to 18,754.03, 25,880.56 and 10,798.82

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Solution

The fourth proportional to 18,754.03, 25,880.56 and 10,798.82 is: 14,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.03 : 25,880.56 = 10,798.82 : x
  2. Step 2: Convert to fraction form
    18,754.03/25,880.56 = 10,798.82/x
  3. Step 3: Cross multiply
    18,754.03x = 25,880.56 × 10,798.82
  4. Step 4: Simplify right side
    18,754.03x = 279,479,510.33
  5. Step 5: Solve for x
    x = 279,479,510.33/18,754.03
  6. Step 6: Final answer
    x = 14,902.37

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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.