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Finding the Fourth Proportional to 45,352.82, 68,014.11 and 19,052.66

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Solution

The fourth proportional to 45,352.82, 68,014.11 and 19,052.66 is: 28,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.82 : 68,014.11 = 19,052.66 : x
  2. Step 2: Convert to fraction form
    45,352.82/68,014.11 = 19,052.66/x
  3. Step 3: Cross multiply
    45,352.82x = 68,014.11 × 19,052.66
  4. Step 4: Simplify right side
    45,352.82x = 1,295,849,713.03
  5. Step 5: Solve for x
    x = 1,295,849,713.03/45,352.82
  6. Step 6: Final answer
    x = 28,572.64

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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.