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Finding the Fourth Proportional to 16,604.85, 24,904.20 and 4,915.29

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Solution

The fourth proportional to 16,604.85, 24,904.20 and 4,915.29 is: 7,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,604.85 : 24,904.20 = 4,915.29 : x
  2. Step 2: Convert to fraction form
    16,604.85/24,904.20 = 4,915.29/x
  3. Step 3: Cross multiply
    16,604.85x = 24,904.20 × 4,915.29
  4. Step 4: Simplify right side
    16,604.85x = 122,411,365.22
  5. Step 5: Solve for x
    x = 122,411,365.22/16,604.85
  6. Step 6: Final answer
    x = 7,372.02

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Why These Related Problems?

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