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Finding the Fourth Proportional to 43,308.30, 64,917.80 and 16,647.06

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Solution

The fourth proportional to 43,308.30, 64,917.80 and 16,647.06 is: 24,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308.30 : 64,917.80 = 16,647.06 : x
  2. Step 2: Convert to fraction form
    43,308.30/64,917.80 = 16,647.06/x
  3. Step 3: Cross multiply
    43,308.30x = 64,917.80 × 16,647.06
  4. Step 4: Simplify right side
    43,308.30x = 1,080,690,511.67
  5. Step 5: Solve for x
    x = 1,080,690,511.67/43,308.30
  6. Step 6: Final answer
    x = 24,953.43

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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.