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Finding the Fourth Proportional to 33,565.81, 46,319.83 and 18,458.46

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Solution

The fourth proportional to 33,565.81, 46,319.83 and 18,458.46 is: 25,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,565.81 : 46,319.83 = 18,458.46 : x
  2. Step 2: Convert to fraction form
    33,565.81/46,319.83 = 18,458.46/x
  3. Step 3: Cross multiply
    33,565.81x = 46,319.83 × 18,458.46
  4. Step 4: Simplify right side
    33,565.81x = 854,992,729.26
  5. Step 5: Solve for x
    x = 854,992,729.26/33,565.81
  6. Step 6: Final answer
    x = 25,472.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.