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Finding the Fourth Proportional to 17,874.99, 26,812.68 and 5,395.12

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Solution

The fourth proportional to 17,874.99, 26,812.68 and 5,395.12 is: 8,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.99 : 26,812.68 = 5,395.12 : x
  2. Step 2: Convert to fraction form
    17,874.99/26,812.68 = 5,395.12/x
  3. Step 3: Cross multiply
    17,874.99x = 26,812.68 × 5,395.12
  4. Step 4: Simplify right side
    17,874.99x = 144,657,626.12
  5. Step 5: Solve for x
    x = 144,657,626.12/17,874.99
  6. Step 6: Final answer
    x = 8,092.74

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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.