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Finding the Fourth Proportional to 33,478.31, 46,200.07 and 18,574.31

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Solution

The fourth proportional to 33,478.31, 46,200.07 and 18,574.31 is: 25,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,478.31 : 46,200.07 = 18,574.31 : x
  2. Step 2: Convert to fraction form
    33,478.31/46,200.07 = 18,574.31/x
  3. Step 3: Cross multiply
    33,478.31x = 46,200.07 × 18,574.31
  4. Step 4: Simplify right side
    33,478.31x = 858,134,560.92
  5. Step 5: Solve for x
    x = 858,134,560.92/33,478.31
  6. Step 6: Final answer
    x = 25,632.55

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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.