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Finding the Fourth Proportional to 45,781.88, 68,674.03 and 14,617.13

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Solution

The fourth proportional to 45,781.88, 68,674.03 and 14,617.13 is: 21,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.88 : 68,674.03 = 14,617.13 : x
  2. Step 2: Convert to fraction form
    45,781.88/68,674.03 = 14,617.13/x
  3. Step 3: Cross multiply
    45,781.88x = 68,674.03 × 14,617.13
  4. Step 4: Simplify right side
    45,781.88x = 1,003,816,844.22
  5. Step 5: Solve for x
    x = 1,003,816,844.22/45,781.88
  6. Step 6: Final answer
    x = 21,926.08

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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.