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Finding the Fourth Proportional to 17,658.69, 26,487.99 and 5,980.11

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Solution

The fourth proportional to 17,658.69, 26,487.99 and 5,980.11 is: 8,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.69 : 26,487.99 = 5,980.11 : x
  2. Step 2: Convert to fraction form
    17,658.69/26,487.99 = 5,980.11/x
  3. Step 3: Cross multiply
    17,658.69x = 26,487.99 × 5,980.11
  4. Step 4: Simplify right side
    17,658.69x = 158,401,093.88
  5. Step 5: Solve for x
    x = 158,401,093.88/17,658.69
  6. Step 6: Final answer
    x = 8,970.15

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1.5x scale

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.