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Finding the Fourth Proportional to 17,363.80, 26,035.64 and 15,287.98

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Solution

The fourth proportional to 17,363.80, 26,035.64 and 15,287.98 is: 22,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.80 : 26,035.64 = 15,287.98 : x
  2. Step 2: Convert to fraction form
    17,363.80/26,035.64 = 15,287.98/x
  3. Step 3: Cross multiply
    17,363.80x = 26,035.64 × 15,287.98
  4. Step 4: Simplify right side
    17,363.80x = 398,032,213.43
  5. Step 5: Solve for x
    x = 398,032,213.43/17,363.80
  6. Step 6: Final answer
    x = 22,923.11

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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.