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Finding the Fourth Proportional to 61,004.82, 91,496.82 and 16,621.17

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Solution

The fourth proportional to 61,004.82, 91,496.82 and 16,621.17 is: 24,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,004.82 : 91,496.82 = 16,621.17 : x
  2. Step 2: Convert to fraction form
    61,004.82/91,496.82 = 16,621.17/x
  3. Step 3: Cross multiply
    61,004.82x = 91,496.82 × 16,621.17
  4. Step 4: Simplify right side
    61,004.82x = 1,520,784,199.68
  5. Step 5: Solve for x
    x = 1,520,784,199.68/61,004.82
  6. Step 6: Final answer
    x = 24,928.92

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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.