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Finding the Fourth Proportional to 63,572.99, 87,732.74 and 36,715.01

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Solution

The fourth proportional to 63,572.99, 87,732.74 and 36,715.01 is: 50,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572.99 : 87,732.74 = 36,715.01 : x
  2. Step 2: Convert to fraction form
    63,572.99/87,732.74 = 36,715.01/x
  3. Step 3: Cross multiply
    63,572.99x = 87,732.74 × 36,715.01
  4. Step 4: Simplify right side
    63,572.99x = 3,221,108,242.85
  5. Step 5: Solve for x
    x = 3,221,108,242.85/63,572.99
  6. Step 6: Final answer
    x = 50,667.87

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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.