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Finding the Fourth Proportional to 45,606, 68,352.84 and 32,386.80

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Solution

The fourth proportional to 45,606, 68,352.84 and 32,386.80 is: 48,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,606 : 68,352.84 = 32,386.80 : x
  2. Step 2: Convert to fraction form
    45,606/68,352.84 = 32,386.80/x
  3. Step 3: Cross multiply
    45,606x = 68,352.84 × 32,386.80
  4. Step 4: Simplify right side
    45,606x = 2,213,729,758.51
  5. Step 5: Solve for x
    x = 2,213,729,758.51/45,606
  6. Step 6: Final answer
    x = 48,540.32

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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.