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Finding the Fourth Proportional to 17,063.78, 25,617.90 and 14,986.10

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Solution

The fourth proportional to 17,063.78, 25,617.90 and 14,986.10 is: 22,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.78 : 25,617.90 = 14,986.10 : x
  2. Step 2: Convert to fraction form
    17,063.78/25,617.90 = 14,986.10/x
  3. Step 3: Cross multiply
    17,063.78x = 25,617.90 × 14,986.10
  4. Step 4: Simplify right side
    17,063.78x = 383,912,411.19
  5. Step 5: Solve for x
    x = 383,912,411.19/17,063.78
  6. Step 6: Final answer
    x = 22,498.67

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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.