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Finding the Fourth Proportional to 63,712.52, 95,478.28 and 46,940.68

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Solution

The fourth proportional to 63,712.52, 95,478.28 and 46,940.68 is: 70,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.52 : 95,478.28 = 46,940.68 : x
  2. Step 2: Convert to fraction form
    63,712.52/95,478.28 = 46,940.68/x
  3. Step 3: Cross multiply
    63,712.52x = 95,478.28 × 46,940.68
  4. Step 4: Simplify right side
    63,712.52x = 4,481,815,388.43
  5. Step 5: Solve for x
    x = 4,481,815,388.43/63,712.52
  6. Step 6: Final answer
    x = 70,344.34

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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.