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Finding the Fourth Proportional to 18,660.84, 25,754.01 and 10,701.54

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Solution

The fourth proportional to 18,660.84, 25,754.01 and 10,701.54 is: 14,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.84 : 25,754.01 = 10,701.54 : x
  2. Step 2: Convert to fraction form
    18,660.84/25,754.01 = 10,701.54/x
  3. Step 3: Cross multiply
    18,660.84x = 25,754.01 × 10,701.54
  4. Step 4: Simplify right side
    18,660.84x = 275,607,568.18
  5. Step 5: Solve for x
    x = 275,607,568.18/18,660.84
  6. Step 6: Final answer
    x = 14,769.30

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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.