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Finding the Fourth Proportional to 33,230.94, 45,857.43 and 18,326.94

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Solution

The fourth proportional to 33,230.94, 45,857.43 and 18,326.94 is: 25,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.94 : 45,857.43 = 18,326.94 : x
  2. Step 2: Convert to fraction form
    33,230.94/45,857.43 = 18,326.94/x
  3. Step 3: Cross multiply
    33,230.94x = 45,857.43 × 18,326.94
  4. Step 4: Simplify right side
    33,230.94x = 840,426,368.16
  5. Step 5: Solve for x
    x = 840,426,368.16/33,230.94
  6. Step 6: Final answer
    x = 25,290.48

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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.