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Finding the Fourth Proportional to 33,935, 46,830.36 and 18,827.20

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Solution

The fourth proportional to 33,935, 46,830.36 and 18,827.20 is: 25,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,935 : 46,830.36 = 18,827.20 : x
  2. Step 2: Convert to fraction form
    33,935/46,830.36 = 18,827.20/x
  3. Step 3: Cross multiply
    33,935x = 46,830.36 × 18,827.20
  4. Step 4: Simplify right side
    33,935x = 881,684,553.79
  5. Step 5: Solve for x
    x = 881,684,553.79/33,935
  6. Step 6: Final answer
    x = 25,981.57

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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.