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Finding the Fourth Proportional to 45,648.70, 68,473.02 and 17,191.02

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Solution

The fourth proportional to 45,648.70, 68,473.02 and 17,191.02 is: 25,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,648.70 : 68,473.02 = 17,191.02 : x
  2. Step 2: Convert to fraction form
    45,648.70/68,473.02 = 17,191.02/x
  3. Step 3: Cross multiply
    45,648.70x = 68,473.02 × 17,191.02
  4. Step 4: Simplify right side
    45,648.70x = 1,177,121,056.28
  5. Step 5: Solve for x
    x = 1,177,121,056.28/45,648.70
  6. Step 6: Final answer
    x = 25,786.52

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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.