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Finding the Fourth Proportional to 65,846.57, 98,785.58 and 21,473.37

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Solution

The fourth proportional to 65,846.57, 98,785.58 and 21,473.37 is: 32,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,846.57 : 98,785.58 = 21,473.37 : x
  2. Step 2: Convert to fraction form
    65,846.57/98,785.58 = 21,473.37/x
  3. Step 3: Cross multiply
    65,846.57x = 98,785.58 × 21,473.37
  4. Step 4: Simplify right side
    65,846.57x = 2,121,259,202.64
  5. Step 5: Solve for x
    x = 2,121,259,202.64/65,846.57
  6. Step 6: Final answer
    x = 32,215.18

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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.