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Finding the Fourth Proportional to 34,602.56, 51,836.41 and 21,913.40

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Solution

The fourth proportional to 34,602.56, 51,836.41 and 21,913.40 is: 32,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,602.56 : 51,836.41 = 21,913.40 : x
  2. Step 2: Convert to fraction form
    34,602.56/51,836.41 = 21,913.40/x
  3. Step 3: Cross multiply
    34,602.56x = 51,836.41 × 21,913.40
  4. Step 4: Simplify right side
    34,602.56x = 1,135,912,020.61
  5. Step 5: Solve for x
    x = 1,135,912,020.61/34,602.56
  6. Step 6: Final answer
    x = 32,827.40

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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.