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Finding the Fourth Proportional to 34,924.28, 52,385 and 8,628.36

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Solution

The fourth proportional to 34,924.28, 52,385 and 8,628.36 is: 12,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,924.28 : 52,385 = 8,628.36 : x
  2. Step 2: Convert to fraction form
    34,924.28/52,385 = 8,628.36/x
  3. Step 3: Cross multiply
    34,924.28x = 52,385 × 8,628.36
  4. Step 4: Simplify right side
    34,924.28x = 451,996,638.60
  5. Step 5: Solve for x
    x = 451,996,638.60/34,924.28
  6. Step 6: Final answer
    x = 12,942.19

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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.