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Finding the Fourth Proportional to 14,635.08, 21,965.04 and 7,247.88

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Solution

The fourth proportional to 14,635.08, 21,965.04 and 7,247.88 is: 10,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.08 : 21,965.04 = 7,247.88 : x
  2. Step 2: Convert to fraction form
    14,635.08/21,965.04 = 7,247.88/x
  3. Step 3: Cross multiply
    14,635.08x = 21,965.04 × 7,247.88
  4. Step 4: Simplify right side
    14,635.08x = 159,199,974.12
  5. Step 5: Solve for x
    x = 159,199,974.12/14,635.08
  6. Step 6: Final answer
    x = 10,877.97

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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.