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Finding the Fourth Proportional to 13,092.08, 18,065.04 and 7,502

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Solution

The fourth proportional to 13,092.08, 18,065.04 and 7,502 is: 10,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.08 : 18,065.04 = 7,502 : x
  2. Step 2: Convert to fraction form
    13,092.08/18,065.04 = 7,502/x
  3. Step 3: Cross multiply
    13,092.08x = 18,065.04 × 7,502
  4. Step 4: Simplify right side
    13,092.08x = 135,523,930.08
  5. Step 5: Solve for x
    x = 135,523,930.08/13,092.08
  6. Step 6: Final answer
    x = 10,351.60

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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.