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Finding the Fourth Proportional to 33,455.12, 46,154.90 and 19,305.23

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Solution

The fourth proportional to 33,455.12, 46,154.90 and 19,305.23 is: 26,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,455.12 : 46,154.90 = 19,305.23 : x
  2. Step 2: Convert to fraction form
    33,455.12/46,154.90 = 19,305.23/x
  3. Step 3: Cross multiply
    33,455.12x = 46,154.90 × 19,305.23
  4. Step 4: Simplify right side
    33,455.12x = 891,030,863.60
  5. Step 5: Solve for x
    x = 891,030,863.60/33,455.12
  6. Step 6: Final answer
    x = 26,633.62

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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.