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Finding the Fourth Proportional to 15,998.63, 23,997.87 and 4,904.82

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Solution

The fourth proportional to 15,998.63, 23,997.87 and 4,904.82 is: 7,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.63 : 23,997.87 = 4,904.82 : x
  2. Step 2: Convert to fraction form
    15,998.63/23,997.87 = 4,904.82/x
  3. Step 3: Cross multiply
    15,998.63x = 23,997.87 × 4,904.82
  4. Step 4: Simplify right side
    15,998.63x = 117,705,232.73
  5. Step 5: Solve for x
    x = 117,705,232.73/15,998.63
  6. Step 6: Final answer
    x = 7,357.21

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1.5x scale

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.