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Finding the Fourth Proportional to 17,468.40, 26,203.89 and 4,989.48

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Solution

The fourth proportional to 17,468.40, 26,203.89 and 4,989.48 is: 7,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,468.40 : 26,203.89 = 4,989.48 : x
  2. Step 2: Convert to fraction form
    17,468.40/26,203.89 = 4,989.48/x
  3. Step 3: Cross multiply
    17,468.40x = 26,203.89 × 4,989.48
  4. Step 4: Simplify right side
    17,468.40x = 130,743,785.08
  5. Step 5: Solve for x
    x = 130,743,785.08/17,468.40
  6. Step 6: Final answer
    x = 7,484.59

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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.