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Finding the Fourth Proportional to 34,650.69, 51,975.58 and 8,355.20

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Solution

The fourth proportional to 34,650.69, 51,975.58 and 8,355.20 is: 12,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,650.69 : 51,975.58 = 8,355.20 : x
  2. Step 2: Convert to fraction form
    34,650.69/51,975.58 = 8,355.20/x
  3. Step 3: Cross multiply
    34,650.69x = 51,975.58 × 8,355.20
  4. Step 4: Simplify right side
    34,650.69x = 434,266,475.07
  5. Step 5: Solve for x
    x = 434,266,475.07/34,650.69
  6. Step 6: Final answer
    x = 12,532.69

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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.