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Finding the Fourth Proportional to 64,175.83, 96,279.09 and 19,200.97

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Solution

The fourth proportional to 64,175.83, 96,279.09 and 19,200.97 is: 28,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,175.83 : 96,279.09 = 19,200.97 : x
  2. Step 2: Convert to fraction form
    64,175.83/96,279.09 = 19,200.97/x
  3. Step 3: Cross multiply
    64,175.83x = 96,279.09 × 19,200.97
  4. Step 4: Simplify right side
    64,175.83x = 1,848,651,918.72
  5. Step 5: Solve for x
    x = 1,848,651,918.72/64,175.83
  6. Step 6: Final answer
    x = 28,806.05

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1.5x scale

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.