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Finding the Fourth Proportional to 45,468.76, 68,207.81 and 17,412.29

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Solution

The fourth proportional to 45,468.76, 68,207.81 and 17,412.29 is: 26,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,468.76 : 68,207.81 = 17,412.29 : x
  2. Step 2: Convert to fraction form
    45,468.76/68,207.81 = 17,412.29/x
  3. Step 3: Cross multiply
    45,468.76x = 68,207.81 × 17,412.29
  4. Step 4: Simplify right side
    45,468.76x = 1,187,653,739.88
  5. Step 5: Solve for x
    x = 1,187,653,739.88/45,468.76
  6. Step 6: Final answer
    x = 26,120.22

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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.