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Finding the Fourth Proportional to 11,348.96, 16,994.88 and 7,176.32

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Solution

The fourth proportional to 11,348.96, 16,994.88 and 7,176.32 is: 10,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.96 : 16,994.88 = 7,176.32 : x
  2. Step 2: Convert to fraction form
    11,348.96/16,994.88 = 7,176.32/x
  3. Step 3: Cross multiply
    11,348.96x = 16,994.88 × 7,176.32
  4. Step 4: Simplify right side
    11,348.96x = 121,960,697.24
  5. Step 5: Solve for x
    x = 121,960,697.24/11,348.96
  6. Step 6: Final answer
    x = 10,746.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.