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Finding the Fourth Proportional to 16,902.05, 25,343.72 and 6,913.81

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Solution

The fourth proportional to 16,902.05, 25,343.72 and 6,913.81 is: 10,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.05 : 25,343.72 = 6,913.81 : x
  2. Step 2: Convert to fraction form
    16,902.05/25,343.72 = 6,913.81/x
  3. Step 3: Cross multiply
    16,902.05x = 25,343.72 × 6,913.81
  4. Step 4: Simplify right side
    16,902.05x = 175,221,664.77
  5. Step 5: Solve for x
    x = 175,221,664.77/16,902.05
  6. Step 6: Final answer
    x = 10,366.89

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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.