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Finding the Fourth Proportional to 30,344.76, 41,873.10 and 16,915.77

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Solution

The fourth proportional to 30,344.76, 41,873.10 and 16,915.77 is: 23,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.76 : 41,873.10 = 16,915.77 : x
  2. Step 2: Convert to fraction form
    30,344.76/41,873.10 = 16,915.77/x
  3. Step 3: Cross multiply
    30,344.76x = 41,873.10 × 16,915.77
  4. Step 4: Simplify right side
    30,344.76x = 708,315,728.79
  5. Step 5: Solve for x
    x = 708,315,728.79/30,344.76
  6. Step 6: Final answer
    x = 23,342.27

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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.