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Finding the Fourth Proportional to 17,393.64, 26,091.54 and 4,914.62

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Solution

The fourth proportional to 17,393.64, 26,091.54 and 4,914.62 is: 7,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.64 : 26,091.54 = 4,914.62 : x
  2. Step 2: Convert to fraction form
    17,393.64/26,091.54 = 4,914.62/x
  3. Step 3: Cross multiply
    17,393.64x = 26,091.54 × 4,914.62
  4. Step 4: Simplify right side
    17,393.64x = 128,230,055.36
  5. Step 5: Solve for x
    x = 128,230,055.36/17,393.64
  6. Step 6: Final answer
    x = 7,372.24

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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.