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Finding the Fourth Proportional to 17,393.13, 26,090.64 and 4,914.14

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Solution

The fourth proportional to 17,393.13, 26,090.64 and 4,914.14 is: 7,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.13 : 26,090.64 = 4,914.14 : x
  2. Step 2: Convert to fraction form
    17,393.13/26,090.64 = 4,914.14/x
  3. Step 3: Cross multiply
    17,393.13x = 26,090.64 × 4,914.14
  4. Step 4: Simplify right side
    17,393.13x = 128,212,927.20
  5. Step 5: Solve for x
    x = 128,212,927.20/17,393.13
  6. Step 6: Final answer
    x = 7,371.47

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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.