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Finding the Fourth Proportional to 16,908.68, 25,363.02 and 6,518

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Solution

The fourth proportional to 16,908.68, 25,363.02 and 6,518 is: 9,777

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.68 : 25,363.02 = 6,518 : x
  2. Step 2: Convert to fraction form
    16,908.68/25,363.02 = 6,518/x
  3. Step 3: Cross multiply
    16,908.68x = 25,363.02 × 6,518
  4. Step 4: Simplify right side
    16,908.68x = 165,316,164.36
  5. Step 5: Solve for x
    x = 165,316,164.36/16,908.68
  6. Step 6: Final answer
    x = 9,777

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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.