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Finding the Fourth Proportional to 34,533.43, 47,652.81 and 21,118.23

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Solution

The fourth proportional to 34,533.43, 47,652.81 and 21,118.23 is: 29,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,533.43 : 47,652.81 = 21,118.23 : x
  2. Step 2: Convert to fraction form
    34,533.43/47,652.81 = 21,118.23/x
  3. Step 3: Cross multiply
    34,533.43x = 47,652.81 × 21,118.23
  4. Step 4: Simplify right side
    34,533.43x = 1,006,343,001.73
  5. Step 5: Solve for x
    x = 1,006,343,001.73/34,533.43
  6. Step 6: Final answer
    x = 29,141.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.