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Finding the Fourth Proportional to 18,599.98, 27,902.70 and 6,117.68

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Solution

The fourth proportional to 18,599.98, 27,902.70 and 6,117.68 is: 9,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.98 : 27,902.70 = 6,117.68 : x
  2. Step 2: Convert to fraction form
    18,599.98/27,902.70 = 6,117.68/x
  3. Step 3: Cross multiply
    18,599.98x = 27,902.70 × 6,117.68
  4. Step 4: Simplify right side
    18,599.98x = 170,699,619.63
  5. Step 5: Solve for x
    x = 170,699,619.63/18,599.98
  6. Step 6: Final answer
    x = 9,177.41

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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.