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Finding the Fourth Proportional to 47,710.62, 65,865.29 and 33,626.34

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Solution

The fourth proportional to 47,710.62, 65,865.29 and 33,626.34 is: 46,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.62 : 65,865.29 = 33,626.34 : x
  2. Step 2: Convert to fraction form
    47,710.62/65,865.29 = 33,626.34/x
  3. Step 3: Cross multiply
    47,710.62x = 65,865.29 × 33,626.34
  4. Step 4: Simplify right side
    47,710.62x = 2,214,808,467.61
  5. Step 5: Solve for x
    x = 2,214,808,467.61/47,710.62
  6. Step 6: Final answer
    x = 46,421.71

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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.