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Finding the Fourth Proportional to 18,773.59, 25,906.53 and 10,706.06

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Solution

The fourth proportional to 18,773.59, 25,906.53 and 10,706.06 is: 14,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.59 : 25,906.53 = 10,706.06 : x
  2. Step 2: Convert to fraction form
    18,773.59/25,906.53 = 10,706.06/x
  3. Step 3: Cross multiply
    18,773.59x = 25,906.53 × 10,706.06
  4. Step 4: Simplify right side
    18,773.59x = 277,356,864.57
  5. Step 5: Solve for x
    x = 277,356,864.57/18,773.59
  6. Step 6: Final answer
    x = 14,773.78

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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.