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Finding the Fourth Proportional to 22,001.52, 33,007.72 and 6,419.16

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Solution

The fourth proportional to 22,001.52, 33,007.72 and 6,419.16 is: 9,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.52 : 33,007.72 = 6,419.16 : x
  2. Step 2: Convert to fraction form
    22,001.52/33,007.72 = 6,419.16/x
  3. Step 3: Cross multiply
    22,001.52x = 33,007.72 × 6,419.16
  4. Step 4: Simplify right side
    22,001.52x = 211,881,835.92
  5. Step 5: Solve for x
    x = 211,881,835.92/22,001.52
  6. Step 6: Final answer
    x = 9,630.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.