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Finding the Fourth Proportional to 33,665.97, 46,488.95 and 20,940.96

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Solution

The fourth proportional to 33,665.97, 46,488.95 and 20,940.96 is: 28,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,665.97 : 46,488.95 = 20,940.96 : x
  2. Step 2: Convert to fraction form
    33,665.97/46,488.95 = 20,940.96/x
  3. Step 3: Cross multiply
    33,665.97x = 46,488.95 × 20,940.96
  4. Step 4: Simplify right side
    33,665.97x = 973,523,242.39
  5. Step 5: Solve for x
    x = 973,523,242.39/33,665.97
  6. Step 6: Final answer
    x = 28,917.13

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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.