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Finding the Fourth Proportional to 8,803.88, 13,180.26 and 7,579.16

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Solution

The fourth proportional to 8,803.88, 13,180.26 and 7,579.16 is: 11,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.88 : 13,180.26 = 7,579.16 : x
  2. Step 2: Convert to fraction form
    8,803.88/13,180.26 = 7,579.16/x
  3. Step 3: Cross multiply
    8,803.88x = 13,180.26 × 7,579.16
  4. Step 4: Simplify right side
    8,803.88x = 99,895,299.38
  5. Step 5: Solve for x
    x = 99,895,299.38/8,803.88
  6. Step 6: Final answer
    x = 11,346.74

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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.