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Finding the Fourth Proportional to 17,859.04, 26,808 and 13,164.48

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Solution

The fourth proportional to 17,859.04, 26,808 and 13,164.48 is: 19,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.04 : 26,808 = 13,164.48 : x
  2. Step 2: Convert to fraction form
    17,859.04/26,808 = 13,164.48/x
  3. Step 3: Cross multiply
    17,859.04x = 26,808 × 13,164.48
  4. Step 4: Simplify right side
    17,859.04x = 352,913,379.84
  5. Step 5: Solve for x
    x = 352,913,379.84/17,859.04
  6. Step 6: Final answer
    x = 19,761.05

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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.