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Finding the Fourth Proportional to 17,959.31, 26,943.74 and 14,802.51

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Solution

The fourth proportional to 17,959.31, 26,943.74 and 14,802.51 is: 22,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.31 : 26,943.74 = 14,802.51 : x
  2. Step 2: Convert to fraction form
    17,959.31/26,943.74 = 14,802.51/x
  3. Step 3: Cross multiply
    17,959.31x = 26,943.74 × 14,802.51
  4. Step 4: Simplify right side
    17,959.31x = 398,834,906.77
  5. Step 5: Solve for x
    x = 398,834,906.77/17,959.31
  6. Step 6: Final answer
    x = 22,207.70

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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.