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Finding the Fourth Proportional to 34,806.48, 52,208.08 and 8,509.80

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Solution

The fourth proportional to 34,806.48, 52,208.08 and 8,509.80 is: 12,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.48 : 52,208.08 = 8,509.80 : x
  2. Step 2: Convert to fraction form
    34,806.48/52,208.08 = 8,509.80/x
  3. Step 3: Cross multiply
    34,806.48x = 52,208.08 × 8,509.80
  4. Step 4: Simplify right side
    34,806.48x = 444,280,319.18
  5. Step 5: Solve for x
    x = 444,280,319.18/34,806.48
  6. Step 6: Final answer
    x = 12,764.30

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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.