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Finding the Fourth Proportional to 17,039.64, 25,559.10 and 4,559.67

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Solution

The fourth proportional to 17,039.64, 25,559.10 and 4,559.67 is: 6,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.64 : 25,559.10 = 4,559.67 : x
  2. Step 2: Convert to fraction form
    17,039.64/25,559.10 = 4,559.67/x
  3. Step 3: Cross multiply
    17,039.64x = 25,559.10 × 4,559.67
  4. Step 4: Simplify right side
    17,039.64x = 116,540,992.82
  5. Step 5: Solve for x
    x = 116,540,992.82/17,039.64
  6. Step 6: Final answer
    x = 6,839.40

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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.