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Finding the Fourth Proportional to 15,605.19, 23,394.42 and 5,739.39

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Solution

The fourth proportional to 15,605.19, 23,394.42 and 5,739.39 is: 8,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.19 : 23,394.42 = 5,739.39 : x
  2. Step 2: Convert to fraction form
    15,605.19/23,394.42 = 5,739.39/x
  3. Step 3: Cross multiply
    15,605.19x = 23,394.42 × 5,739.39
  4. Step 4: Simplify right side
    15,605.19x = 134,269,700.20
  5. Step 5: Solve for x
    x = 134,269,700.20/15,605.19
  6. Step 6: Final answer
    x = 8,604.17

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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.