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Finding the Fourth Proportional to 60,724.66, 91,078.77 and 16,354.09

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Solution

The fourth proportional to 60,724.66, 91,078.77 and 16,354.09 is: 24,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,724.66 : 91,078.77 = 16,354.09 : x
  2. Step 2: Convert to fraction form
    60,724.66/91,078.77 = 16,354.09/x
  3. Step 3: Cross multiply
    60,724.66x = 91,078.77 × 16,354.09
  4. Step 4: Simplify right side
    60,724.66x = 1,489,510,401.67
  5. Step 5: Solve for x
    x = 1,489,510,401.67/60,724.66
  6. Step 6: Final answer
    x = 24,528.92

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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.