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Finding the Fourth Proportional to 13,472.99, 20,207.07 and 4,710.41

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Solution

The fourth proportional to 13,472.99, 20,207.07 and 4,710.41 is: 7,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.99 : 20,207.07 = 4,710.41 : x
  2. Step 2: Convert to fraction form
    13,472.99/20,207.07 = 4,710.41/x
  3. Step 3: Cross multiply
    13,472.99x = 20,207.07 × 4,710.41
  4. Step 4: Simplify right side
    13,472.99x = 95,183,584.60
  5. Step 5: Solve for x
    x = 95,183,584.60/13,472.99
  6. Step 6: Final answer
    x = 7,064.77

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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.