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Finding the Fourth Proportional to 33,641, 46,426.18 and 18,737

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Solution

The fourth proportional to 33,641, 46,426.18 and 18,737 is: 25,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,641 : 46,426.18 = 18,737 : x
  2. Step 2: Convert to fraction form
    33,641/46,426.18 = 18,737/x
  3. Step 3: Cross multiply
    33,641x = 46,426.18 × 18,737
  4. Step 4: Simplify right side
    33,641x = 869,887,334.66
  5. Step 5: Solve for x
    x = 869,887,334.66/33,641
  6. Step 6: Final answer
    x = 25,857.95

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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.