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Finding the Fourth Proportional to 65,656.79, 98,515.94 and 32,358.69

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Solution

The fourth proportional to 65,656.79, 98,515.94 and 32,358.69 is: 48,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,656.79 : 98,515.94 = 32,358.69 : x
  2. Step 2: Convert to fraction form
    65,656.79/98,515.94 = 32,358.69/x
  3. Step 3: Cross multiply
    65,656.79x = 98,515.94 × 32,358.69
  4. Step 4: Simplify right side
    65,656.79x = 3,187,846,600.73
  5. Step 5: Solve for x
    x = 3,187,846,600.73/65,656.79
  6. Step 6: Final answer
    x = 48,553.19

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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.