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Finding the Fourth Proportional to 8,806.11, 13,209.36 and 3,541.65

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Solution

The fourth proportional to 8,806.11, 13,209.36 and 3,541.65 is: 5,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.11 : 13,209.36 = 3,541.65 : x
  2. Step 2: Convert to fraction form
    8,806.11/13,209.36 = 3,541.65/x
  3. Step 3: Cross multiply
    8,806.11x = 13,209.36 × 3,541.65
  4. Step 4: Simplify right side
    8,806.11x = 46,782,929.84
  5. Step 5: Solve for x
    x = 46,782,929.84/8,806.11
  6. Step 6: Final answer
    x = 5,312.55

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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.