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Finding the Fourth Proportional to 32,076.99, 48,021.66 and 18,709.11

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Solution

The fourth proportional to 32,076.99, 48,021.66 and 18,709.11 is: 28,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,076.99 : 48,021.66 = 18,709.11 : x
  2. Step 2: Convert to fraction form
    32,076.99/48,021.66 = 18,709.11/x
  3. Step 3: Cross multiply
    32,076.99x = 48,021.66 × 18,709.11
  4. Step 4: Simplify right side
    32,076.99x = 898,442,519.32
  5. Step 5: Solve for x
    x = 898,442,519.32/32,076.99
  6. Step 6: Final answer
    x = 28,008.94

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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.