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Finding the Fourth Proportional to 65,952.92, 98,938.62 and 21,583.16

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Solution

The fourth proportional to 65,952.92, 98,938.62 and 21,583.16 is: 32,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,952.92 : 98,938.62 = 21,583.16 : x
  2. Step 2: Convert to fraction form
    65,952.92/98,938.62 = 21,583.16/x
  3. Step 3: Cross multiply
    65,952.92x = 98,938.62 × 21,583.16
  4. Step 4: Simplify right side
    65,952.92x = 2,135,408,065.64
  5. Step 5: Solve for x
    x = 2,135,408,065.64/65,952.92
  6. Step 6: Final answer
    x = 32,377.76

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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.