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Finding the Fourth Proportional to 33,570, 46,326.72 and 18,463.60

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Solution

The fourth proportional to 33,570, 46,326.72 and 18,463.60 is: 25,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,570 : 46,326.72 = 18,463.60 : x
  2. Step 2: Convert to fraction form
    33,570/46,326.72 = 18,463.60/x
  3. Step 3: Cross multiply
    33,570x = 46,326.72 × 18,463.60
  4. Step 4: Simplify right side
    33,570x = 855,358,027.39
  5. Step 5: Solve for x
    x = 855,358,027.39/33,570
  6. Step 6: Final answer
    x = 25,479.83

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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.