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Finding the Fourth Proportional to 33,980.87, 46,892.30 and 18,874.50

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Solution

The fourth proportional to 33,980.87, 46,892.30 and 18,874.50 is: 26,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.87 : 46,892.30 = 18,874.50 : x
  2. Step 2: Convert to fraction form
    33,980.87/46,892.30 = 18,874.50/x
  3. Step 3: Cross multiply
    33,980.87x = 46,892.30 × 18,874.50
  4. Step 4: Simplify right side
    33,980.87x = 885,068,446.13
  5. Step 5: Solve for x
    x = 885,068,446.13/33,980.87
  6. Step 6: Final answer
    x = 26,046.08

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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.