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Finding the Fourth Proportional to 21,473.83, 32,212.94 and 7,433.83

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Solution

The fourth proportional to 21,473.83, 32,212.94 and 7,433.83 is: 11,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.83 : 32,212.94 = 7,433.83 : x
  2. Step 2: Convert to fraction form
    21,473.83/32,212.94 = 7,433.83/x
  3. Step 3: Cross multiply
    21,473.83x = 32,212.94 × 7,433.83
  4. Step 4: Simplify right side
    21,473.83x = 239,465,564.67
  5. Step 5: Solve for x
    x = 239,465,564.67/21,473.83
  6. Step 6: Final answer
    x = 11,151.51

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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.