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Finding the Fourth Proportional to 16,885, 25,329.30 and 4,573

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Solution

The fourth proportional to 16,885, 25,329.30 and 4,573 is: 6,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885 : 25,329.30 = 4,573 : x
  2. Step 2: Convert to fraction form
    16,885/25,329.30 = 4,573/x
  3. Step 3: Cross multiply
    16,885x = 25,329.30 × 4,573
  4. Step 4: Simplify right side
    16,885x = 115,830,888.90
  5. Step 5: Solve for x
    x = 115,830,888.90/16,885
  6. Step 6: Final answer
    x = 6,859.99

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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.