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Finding the Fourth Proportional to 64,458.70, 96,629.60 and 34,841.94

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Solution

The fourth proportional to 64,458.70, 96,629.60 and 34,841.94 is: 52,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.70 : 96,629.60 = 34,841.94 : x
  2. Step 2: Convert to fraction form
    64,458.70/96,629.60 = 34,841.94/x
  3. Step 3: Cross multiply
    64,458.70x = 96,629.60 × 34,841.94
  4. Step 4: Simplify right side
    64,458.70x = 3,366,762,725.42
  5. Step 5: Solve for x
    x = 3,366,762,725.42/64,458.70
  6. Step 6: Final answer
    x = 52,231.32

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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.