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Finding the Fourth Proportional to 26,703.30, 40,051.47 and 6,983.38

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Solution

The fourth proportional to 26,703.30, 40,051.47 and 6,983.38 is: 10,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.30 : 40,051.47 = 6,983.38 : x
  2. Step 2: Convert to fraction form
    26,703.30/40,051.47 = 6,983.38/x
  3. Step 3: Cross multiply
    26,703.30x = 40,051.47 × 6,983.38
  4. Step 4: Simplify right side
    26,703.30x = 279,694,534.44
  5. Step 5: Solve for x
    x = 279,694,534.44/26,703.30
  6. Step 6: Final answer
    x = 10,474.16

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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.