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Finding the Fourth Proportional to 14,908.36, 20,573.04 and 8,194

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Solution

The fourth proportional to 14,908.36, 20,573.04 and 8,194 is: 11,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.36 : 20,573.04 = 8,194 : x
  2. Step 2: Convert to fraction form
    14,908.36/20,573.04 = 8,194/x
  3. Step 3: Cross multiply
    14,908.36x = 20,573.04 × 8,194
  4. Step 4: Simplify right side
    14,908.36x = 168,575,489.76
  5. Step 5: Solve for x
    x = 168,575,489.76/14,908.36
  6. Step 6: Final answer
    x = 11,307.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.