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Finding the Fourth Proportional to 29,108.32, 43,650 and 14,308

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Solution

The fourth proportional to 29,108.32, 43,650 and 14,308 is: 21,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.32 : 43,650 = 14,308 : x
  2. Step 2: Convert to fraction form
    29,108.32/43,650 = 14,308/x
  3. Step 3: Cross multiply
    29,108.32x = 43,650 × 14,308
  4. Step 4: Simplify right side
    29,108.32x = 624,544,200
  5. Step 5: Solve for x
    x = 624,544,200/29,108.32
  6. Step 6: Final answer
    x = 21,455.87

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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.