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Finding the Fourth Proportional to 16,932, 25,398.48 and 4,620

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Solution

The fourth proportional to 16,932, 25,398.48 and 4,620 is: 6,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,932 : 25,398.48 = 4,620 : x
  2. Step 2: Convert to fraction form
    16,932/25,398.48 = 4,620/x
  3. Step 3: Cross multiply
    16,932x = 25,398.48 × 4,620
  4. Step 4: Simplify right side
    16,932x = 117,340,977.60
  5. Step 5: Solve for x
    x = 117,340,977.60/16,932
  6. Step 6: Final answer
    x = 6,930.13

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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.