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Finding the Fourth Proportional to 65,995.43, 98,953.25 and 25,966.44

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Solution

The fourth proportional to 65,995.43, 98,953.25 and 25,966.44 is: 38,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.43 : 98,953.25 = 25,966.44 : x
  2. Step 2: Convert to fraction form
    65,995.43/98,953.25 = 25,966.44/x
  3. Step 3: Cross multiply
    65,995.43x = 98,953.25 × 25,966.44
  4. Step 4: Simplify right side
    65,995.43x = 2,569,463,499.10
  5. Step 5: Solve for x
    x = 2,569,463,499.10/65,995.43
  6. Step 6: Final answer
    x = 38,933.96

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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.