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Finding the Fourth Proportional to 40,578.60, 60,872.76 and 17,202

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Solution

The fourth proportional to 40,578.60, 60,872.76 and 17,202 is: 25,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.60 : 60,872.76 = 17,202 : x
  2. Step 2: Convert to fraction form
    40,578.60/60,872.76 = 17,202/x
  3. Step 3: Cross multiply
    40,578.60x = 60,872.76 × 17,202
  4. Step 4: Simplify right side
    40,578.60x = 1,047,133,217.52
  5. Step 5: Solve for x
    x = 1,047,133,217.52/40,578.60
  6. Step 6: Final answer
    x = 25,805.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.