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Finding the Fourth Proportional to 36,701.99, 50,652.02 and 20,787.47

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Solution

The fourth proportional to 36,701.99, 50,652.02 and 20,787.47 is: 28,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.99 : 50,652.02 = 20,787.47 : x
  2. Step 2: Convert to fraction form
    36,701.99/50,652.02 = 20,787.47/x
  3. Step 3: Cross multiply
    36,701.99x = 50,652.02 × 20,787.47
  4. Step 4: Simplify right side
    36,701.99x = 1,052,927,346.19
  5. Step 5: Solve for x
    x = 1,052,927,346.19/36,701.99
  6. Step 6: Final answer
    x = 28,688.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.