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Finding the Fourth Proportional to 33,296.25, 45,948.84 and 18,393.21

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Solution

The fourth proportional to 33,296.25, 45,948.84 and 18,393.21 is: 25,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,296.25 : 45,948.84 = 18,393.21 : x
  2. Step 2: Convert to fraction form
    33,296.25/45,948.84 = 18,393.21/x
  3. Step 3: Cross multiply
    33,296.25x = 45,948.84 × 18,393.21
  4. Step 4: Simplify right side
    33,296.25x = 845,146,663.38
  5. Step 5: Solve for x
    x = 845,146,663.38/33,296.25
  6. Step 6: Final answer
    x = 25,382.64

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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.