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Finding the Fourth Proportional to 61,016.94, 91,525.50 and 16,643.70

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Solution

The fourth proportional to 61,016.94, 91,525.50 and 16,643.70 is: 24,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,016.94 : 91,525.50 = 16,643.70 : x
  2. Step 2: Convert to fraction form
    61,016.94/91,525.50 = 16,643.70/x
  3. Step 3: Cross multiply
    61,016.94x = 91,525.50 × 16,643.70
  4. Step 4: Simplify right side
    61,016.94x = 1,523,322,964.35
  5. Step 5: Solve for x
    x = 1,523,322,964.35/61,016.94
  6. Step 6: Final answer
    x = 24,965.57

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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.