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Finding the Fourth Proportional to 65,956.38, 98,925.00 and 21,584.88

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Solution

The fourth proportional to 65,956.38, 98,925.00 and 21,584.88 is: 32,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,956.38 : 98,925.00 = 21,584.88 : x
  2. Step 2: Convert to fraction form
    65,956.38/98,925.00 = 21,584.88/x
  3. Step 3: Cross multiply
    65,956.38x = 98,925.00 × 21,584.88
  4. Step 4: Simplify right side
    65,956.38x = 2,135,284,173.06
  5. Step 5: Solve for x
    x = 2,135,284,173.06/65,956.38
  6. Step 6: Final answer
    x = 32,374.19

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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.