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Finding the Fourth Proportional to 63,604.81, 87,768.12 and 36,756.01

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Solution

The fourth proportional to 63,604.81, 87,768.12 and 36,756.01 is: 50,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604.81 : 87,768.12 = 36,756.01 : x
  2. Step 2: Convert to fraction form
    63,604.81/87,768.12 = 36,756.01/x
  3. Step 3: Cross multiply
    63,604.81x = 87,768.12 × 36,756.01
  4. Step 4: Simplify right side
    63,604.81x = 3,226,005,896.40
  5. Step 5: Solve for x
    x = 3,226,005,896.40/63,604.81
  6. Step 6: Final answer
    x = 50,719.53

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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.