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Finding the Fourth Proportional to 68,383.62, 94,412.70 and 46,909.32

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Solution

The fourth proportional to 68,383.62, 94,412.70 and 46,909.32 is: 64,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,383.62 : 94,412.70 = 46,909.32 : x
  2. Step 2: Convert to fraction form
    68,383.62/94,412.70 = 46,909.32/x
  3. Step 3: Cross multiply
    68,383.62x = 94,412.70 × 46,909.32
  4. Step 4: Simplify right side
    68,383.62x = 4,428,835,556.36
  5. Step 5: Solve for x
    x = 4,428,835,556.36/68,383.62
  6. Step 6: Final answer
    x = 64,764.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.