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Finding the Fourth Proportional to 43,737.63, 65,607.45 and 15,659.61

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Solution

The fourth proportional to 43,737.63, 65,607.45 and 15,659.61 is: 23,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,737.63 : 65,607.45 = 15,659.61 : x
  2. Step 2: Convert to fraction form
    43,737.63/65,607.45 = 15,659.61/x
  3. Step 3: Cross multiply
    43,737.63x = 65,607.45 × 15,659.61
  4. Step 4: Simplify right side
    43,737.63x = 1,027,387,080.09
  5. Step 5: Solve for x
    x = 1,027,387,080.09/43,737.63
  6. Step 6: Final answer
    x = 23,489.77

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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.