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Finding the Fourth Proportional to 17,247.18, 25,849.14 and 7,374.87

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Solution

The fourth proportional to 17,247.18, 25,849.14 and 7,374.87 is: 11,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.18 : 25,849.14 = 7,374.87 : x
  2. Step 2: Convert to fraction form
    17,247.18/25,849.14 = 7,374.87/x
  3. Step 3: Cross multiply
    17,247.18x = 25,849.14 × 7,374.87
  4. Step 4: Simplify right side
    17,247.18x = 190,634,047.11
  5. Step 5: Solve for x
    x = 190,634,047.11/17,247.18
  6. Step 6: Final answer
    x = 11,053.06

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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.