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Finding the Fourth Proportional to 29,202.60, 40,300.42 and 16,455.90

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Solution

The fourth proportional to 29,202.60, 40,300.42 and 16,455.90 is: 22,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,202.60 : 40,300.42 = 16,455.90 : x
  2. Step 2: Convert to fraction form
    29,202.60/40,300.42 = 16,455.90/x
  3. Step 3: Cross multiply
    29,202.60x = 40,300.42 × 16,455.90
  4. Step 4: Simplify right side
    29,202.60x = 663,179,640.34
  5. Step 5: Solve for x
    x = 663,179,640.34/29,202.60
  6. Step 6: Final answer
    x = 22,709.61

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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.