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Finding the Fourth Proportional to 17,225.99, 25,814.92 and 9,311.45

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Solution

The fourth proportional to 17,225.99, 25,814.92 and 9,311.45 is: 13,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.99 : 25,814.92 = 9,311.45 : x
  2. Step 2: Convert to fraction form
    17,225.99/25,814.92 = 9,311.45/x
  3. Step 3: Cross multiply
    17,225.99x = 25,814.92 × 9,311.45
  4. Step 4: Simplify right side
    17,225.99x = 240,374,336.83
  5. Step 5: Solve for x
    x = 240,374,336.83/17,225.99
  6. Step 6: Final answer
    x = 13,954.17

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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.