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Finding the Fourth Proportional to 64,658.50, 96,976.71 and 17,900.44

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Solution

The fourth proportional to 64,658.50, 96,976.71 and 17,900.44 is: 26,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,658.50 : 96,976.71 = 17,900.44 : x
  2. Step 2: Convert to fraction form
    64,658.50/96,976.71 = 17,900.44/x
  3. Step 3: Cross multiply
    64,658.50x = 96,976.71 × 17,900.44
  4. Step 4: Simplify right side
    64,658.50x = 1,735,925,536.31
  5. Step 5: Solve for x
    x = 1,735,925,536.31/64,658.50
  6. Step 6: Final answer
    x = 26,847.60

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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.