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Finding the Fourth Proportional to 17,605.99, 26,403.45 and 5,916.46

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Solution

The fourth proportional to 17,605.99, 26,403.45 and 5,916.46 is: 8,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.99 : 26,403.45 = 5,916.46 : x
  2. Step 2: Convert to fraction form
    17,605.99/26,403.45 = 5,916.46/x
  3. Step 3: Cross multiply
    17,605.99x = 26,403.45 × 5,916.46
  4. Step 4: Simplify right side
    17,605.99x = 156,214,955.79
  5. Step 5: Solve for x
    x = 156,214,955.79/17,605.99
  6. Step 6: Final answer
    x = 8,872.83

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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.