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Finding the Fourth Proportional to 33,473.70, 46,224.95 and 21,557.79

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Solution

The fourth proportional to 33,473.70, 46,224.95 and 21,557.79 is: 29,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,473.70 : 46,224.95 = 21,557.79 : x
  2. Step 2: Convert to fraction form
    33,473.70/46,224.95 = 21,557.79/x
  3. Step 3: Cross multiply
    33,473.70x = 46,224.95 × 21,557.79
  4. Step 4: Simplify right side
    33,473.70x = 996,507,657.07
  5. Step 5: Solve for x
    x = 996,507,657.07/33,473.70
  6. Step 6: Final answer
    x = 29,769.87

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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.