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Finding the Fourth Proportional to 44,578, 66,870.24 and 16,876

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Solution

The fourth proportional to 44,578, 66,870.24 and 16,876 is: 25,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,578 : 66,870.24 = 16,876 : x
  2. Step 2: Convert to fraction form
    44,578/66,870.24 = 16,876/x
  3. Step 3: Cross multiply
    44,578x = 66,870.24 × 16,876
  4. Step 4: Simplify right side
    44,578x = 1,128,502,170.24
  5. Step 5: Solve for x
    x = 1,128,502,170.24/44,578
  6. Step 6: Final answer
    x = 25,315.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.