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Finding the Fourth Proportional to 61,505.28, 92,255.04 and 19,952.64

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Solution

The fourth proportional to 61,505.28, 92,255.04 and 19,952.64 is: 29,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.28 : 92,255.04 = 19,952.64 : x
  2. Step 2: Convert to fraction form
    61,505.28/92,255.04 = 19,952.64/x
  3. Step 3: Cross multiply
    61,505.28x = 92,255.04 × 19,952.64
  4. Step 4: Simplify right side
    61,505.28x = 1,840,731,601.31
  5. Step 5: Solve for x
    x = 1,840,731,601.31/61,505.28
  6. Step 6: Final answer
    x = 29,928.03

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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.