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Finding the Fourth Proportional to 17,793.68, 24,551.79 and 10,720.49

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Solution

The fourth proportional to 17,793.68, 24,551.79 and 10,720.49 is: 14,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.68 : 24,551.79 = 10,720.49 : x
  2. Step 2: Convert to fraction form
    17,793.68/24,551.79 = 10,720.49/x
  3. Step 3: Cross multiply
    17,793.68x = 24,551.79 × 10,720.49
  4. Step 4: Simplify right side
    17,793.68x = 263,207,219.18
  5. Step 5: Solve for x
    x = 263,207,219.18/17,793.68
  6. Step 6: Final answer
    x = 14,792.17

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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.