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Finding the Fourth Proportional to 8,980.62, 13,479.23 and 4,541.41

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Solution

The fourth proportional to 8,980.62, 13,479.23 and 4,541.41 is: 6,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.62 : 13,479.23 = 4,541.41 : x
  2. Step 2: Convert to fraction form
    8,980.62/13,479.23 = 4,541.41/x
  3. Step 3: Cross multiply
    8,980.62x = 13,479.23 × 4,541.41
  4. Step 4: Simplify right side
    8,980.62x = 61,214,738.12
  5. Step 5: Solve for x
    x = 61,214,738.12/8,980.62
  6. Step 6: Final answer
    x = 6,816.32

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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.