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Finding the Fourth Proportional to 32,018.49, 48,051.36 and 15,388.11

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Solution

The fourth proportional to 32,018.49, 48,051.36 and 15,388.11 is: 23,093.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,018.49 : 48,051.36 = 15,388.11 : x
  2. Step 2: Convert to fraction form
    32,018.49/48,051.36 = 15,388.11/x
  3. Step 3: Cross multiply
    32,018.49x = 48,051.36 × 15,388.11
  4. Step 4: Simplify right side
    32,018.49x = 739,419,613.33
  5. Step 5: Solve for x
    x = 739,419,613.33/32,018.49
  6. Step 6: Final answer
    x = 23,093.52

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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.