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Finding the Fourth Proportional to 33,624.84, 46,402.29 and 18,720.84

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Solution

The fourth proportional to 33,624.84, 46,402.29 and 18,720.84 is: 25,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,624.84 : 46,402.29 = 18,720.84 : x
  2. Step 2: Convert to fraction form
    33,624.84/46,402.29 = 18,720.84/x
  3. Step 3: Cross multiply
    33,624.84x = 46,402.29 × 18,720.84
  4. Step 4: Simplify right side
    33,624.84x = 868,690,020.73
  5. Step 5: Solve for x
    x = 868,690,020.73/33,624.84
  6. Step 6: Final answer
    x = 25,834.77

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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.