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Finding the Fourth Proportional to 17,838.63, 26,737.29 and 9,939.31

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Solution

The fourth proportional to 17,838.63, 26,737.29 and 9,939.31 is: 14,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.63 : 26,737.29 = 9,939.31 : x
  2. Step 2: Convert to fraction form
    17,838.63/26,737.29 = 9,939.31/x
  3. Step 3: Cross multiply
    17,838.63x = 26,737.29 × 9,939.31
  4. Step 4: Simplify right side
    17,838.63x = 265,750,147.03
  5. Step 5: Solve for x
    x = 265,750,147.03/17,838.63
  6. Step 6: Final answer
    x = 14,897.45

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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.