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Finding the Fourth Proportional to 11,354.62, 17,016.93 and 8,712.02

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Solution

The fourth proportional to 11,354.62, 17,016.93 and 8,712.02 is: 13,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.62 : 17,016.93 = 8,712.02 : x
  2. Step 2: Convert to fraction form
    11,354.62/17,016.93 = 8,712.02/x
  3. Step 3: Cross multiply
    11,354.62x = 17,016.93 × 8,712.02
  4. Step 4: Simplify right side
    11,354.62x = 148,251,834.50
  5. Step 5: Solve for x
    x = 148,251,834.50/11,354.62
  6. Step 6: Final answer
    x = 13,056.52

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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.