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Finding the Fourth Proportional to 40,578.93, 60,823.17 and 16,873.20

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Solution

The fourth proportional to 40,578.93, 60,823.17 and 16,873.20 is: 25,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.93 : 60,823.17 = 16,873.20 : x
  2. Step 2: Convert to fraction form
    40,578.93/60,823.17 = 16,873.20/x
  3. Step 3: Cross multiply
    40,578.93x = 60,823.17 × 16,873.20
  4. Step 4: Simplify right side
    40,578.93x = 1,026,281,512.04
  5. Step 5: Solve for x
    x = 1,026,281,512.04/40,578.93
  6. Step 6: Final answer
    x = 25,290.99

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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.