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Finding the Fourth Proportional to 11,373.60, 17,062.74 and 4,799.76

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Solution

The fourth proportional to 11,373.60, 17,062.74 and 4,799.76 is: 7,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.60 : 17,062.74 = 4,799.76 : x
  2. Step 2: Convert to fraction form
    11,373.60/17,062.74 = 4,799.76/x
  3. Step 3: Cross multiply
    11,373.60x = 17,062.74 × 4,799.76
  4. Step 4: Simplify right side
    11,373.60x = 81,897,056.94
  5. Step 5: Solve for x
    x = 81,897,056.94/11,373.60
  6. Step 6: Final answer
    x = 7,200.63

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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.