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Finding the Fourth Proportional to 17,183.80, 25,802.10 and 9,407.80

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Solution

The fourth proportional to 17,183.80, 25,802.10 and 9,407.80 is: 14,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.80 : 25,802.10 = 9,407.80 : x
  2. Step 2: Convert to fraction form
    17,183.80/25,802.10 = 9,407.80/x
  3. Step 3: Cross multiply
    17,183.80x = 25,802.10 × 9,407.80
  4. Step 4: Simplify right side
    17,183.80x = 242,740,996.38
  5. Step 5: Solve for x
    x = 242,740,996.38/17,183.80
  6. Step 6: Final answer
    x = 14,126.15

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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.