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Finding the Fourth Proportional to 43,221, 59,644.98 and 23,349

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Solution

The fourth proportional to 43,221, 59,644.98 and 23,349 is: 32,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221 : 59,644.98 = 23,349 : x
  2. Step 2: Convert to fraction form
    43,221/59,644.98 = 23,349/x
  3. Step 3: Cross multiply
    43,221x = 59,644.98 × 23,349
  4. Step 4: Simplify right side
    43,221x = 1,392,650,638.02
  5. Step 5: Solve for x
    x = 1,392,650,638.02/43,221
  6. Step 6: Final answer
    x = 32,221.62

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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.