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Finding the Fourth Proportional to 64,428.98, 96,650.08 and 22,309

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Solution

The fourth proportional to 64,428.98, 96,650.08 and 22,309 is: 33,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.98 : 96,650.08 = 22,309 : x
  2. Step 2: Convert to fraction form
    64,428.98/96,650.08 = 22,309/x
  3. Step 3: Cross multiply
    64,428.98x = 96,650.08 × 22,309
  4. Step 4: Simplify right side
    64,428.98x = 2,156,166,634.72
  5. Step 5: Solve for x
    x = 2,156,166,634.72/64,428.98
  6. Step 6: Final answer
    x = 33,465.79

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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.